Mixing
European SIM card in US mobile phone
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I have traveled internationally with my mobile phone, but have always kept the SIM card from my US carrier (AT&T). As a result, I try to minimize my airtime when abroad: no phone calls, use WiFi whenever possible, etc. I am planning several, more extended, trips and am considering getting a local prepaid SIM when I arrive in Stockholm. I have an unlocked iPhone 6, so the SIM is removable. When I return to the US, I'll put my AT&T SIM back in, and keep the Swedish SIM for future travel. I'm aware that some prepaid plans are terminated after a period of inactivity.
I will not have a fixed address in Europe, but I will have credit cards that can be used in Europe.
I've looked at some of the related questions, but they all assume that one knows what they're doing... I don't!
I am trying to avoid putting multiple questions here, but they're all closely related:
- I've never done this before; is this a complicated procedure -- or is what I've described even possible?
- Will this cause any issues for my US carrier (e.g., will they terminate my plan)? Obviously, I expect to be billed for my normal monthly plan.
- Although I am primarily interested in data, will I be assigned a Swedish phone number for local calls and SMS if needed?
- I assume that if someone calls/texts my US number, it will be the same as if the phone was turned off, and I'll get voicemail/texts when I return.
europe cellphones
asked Aug 22 at 12:42
Mike Harris
1,128617
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up vote
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I have traveled internationally with my mobile phone, but have always kept the SIM card from my US carrier (AT&T). As a result, I try to minimize my airtime when abroad: no phone calls, use WiFi whenever possible, etc. I am planning several, more extended, trips and am considering getting a local prepaid SIM when I arrive in Stockholm. I have an unlocked iPhone 6, so the SIM is removable. When I return to the US, I'll put my AT&T SIM back in, and keep the Swedish SIM for future travel. I'm aware that some prepaid plans are terminated after a period of inactivity.
I will not have a fixed address in Europe, but I will have credit cards that can be used in Europe.
I've looked at some of the related questions, but they all assume that one knows what they're doing... I don't!
I am trying to avoid putting multiple questions here, but they're all closely related:
- I've never done this before; is this a complicated procedure -- or is what I've described even possible?
- Will this cause any issues for my US carrier (e.g., will they terminate my plan)? Obviously, I expect to be billed for my normal monthly plan.
- Although I am primarily interested in data, will I be assigned a Swedish phone number for local calls and SMS if needed?
- I assume that if someone calls/texts my US number, it will be the same as if the phone was turned off, and I'll get voicemail/texts when I return.
europe cellphones
asked Aug 22 at 12:42
Mike Harris
1,128617
2
The first of your bulleted items is the real question, which I don't know how to answer. But for the rest: (2) No, your home carrier cannot distinguish between you using a different SIM or simply choosing to turn off your phone for a few weeks/months. (3) There are data-only plans on the Swedish market that look like they don't come with a phone number. They are often used with, e.g., tablets that don't have voice phone functionality. (4) Yes; see (2).
– Henning Makholm
Aug 22 at 12:56
something to consider as an alternative: T-mobile USA has an unlimited national and international data plan, for a quite normal price. I have been using it for several years, without problems, in India, Russia, Peru, and over a dozen EU countries (including Sweden).
– Aganju
Aug 22 at 14:34
An other way, get a phone with the option of two sim cards and you can keep your US number active for incoming calls and texts, but use your second sim for all the rest. (Pity iPhones do not yet have the option for a second sim.)
– Willeke♦
Aug 22 at 16:31
@HenningMakholm Im not entirely sure about Sweden but for technical reasons data plan only should have an assigned phone number, you just don't know it. Most LTE modems for example are capable of sending/receiving SMSes and USSD.
– Jan Dorniak
Aug 22 at 18:37
1
@JanDorniak: I can imagine that there might need to be an identifying phone number for protocol reasons. But presumably the provider could still refuse to connect calls and SMSes made to/from such a number.
– Henning Makholm
Aug 22 at 18:46
 |Â
show 1 more comment
up vote
6
down vote
favorite
up vote
6
down vote
favorite
I have traveled internationally with my mobile phone, but have always kept the SIM card from my US carrier (AT&T). As a result, I try to minimize my airtime when abroad: no phone calls, use WiFi whenever possible, etc. I am planning several, more extended, trips and am considering getting a local prepaid SIM when I arrive in Stockholm. I have an unlocked iPhone 6, so the SIM is removable. When I return to the US, I'll put my AT&T SIM back in, and keep the Swedish SIM for future travel. I'm aware that some prepaid plans are terminated after a period of inactivity.
I will not have a fixed address in Europe, but I will have credit cards that can be used in Europe.
I've looked at some of the related questions, but they all assume that one knows what they're doing... I don't!
I am trying to avoid putting multiple questions here, but they're all closely related:
- I've never done this before; is this a complicated procedure -- or is what I've described even possible?
- Will this cause any issues for my US carrier (e.g., will they terminate my plan)? Obviously, I expect to be billed for my normal monthly plan.
- Although I am primarily interested in data, will I be assigned a Swedish phone number for local calls and SMS if needed?
- I assume that if someone calls/texts my US number, it will be the same as if the phone was turned off, and I'll get voicemail/texts when I return.
europe cellphones
asked Aug 22 at 12:42
Mike Harris
1,128617
I have traveled internationally with my mobile phone, but have always kept the SIM card from my US carrier (AT&T). As a result, I try to minimize my airtime when abroad: no phone calls, use WiFi whenever possible, etc. I am planning several, more extended, trips and am considering getting a local prepaid SIM when I arrive in Stockholm. I have an unlocked iPhone 6, so the SIM is removable. When I return to the US, I'll put my AT&T SIM back in, and keep the Swedish SIM for future travel. I'm aware that some prepaid plans are terminated after a period of inactivity.
I will not have a fixed address in Europe, but I will have credit cards that can be used in Europe.
I've looked at some of the related questions, but they all assume that one knows what they're doing... I don't!
I am trying to avoid putting multiple questions here, but they're all closely related:
- I've never done this before; is this a complicated procedure -- or is what I've described even possible?
- Will this cause any issues for my US carrier (e.g., will they terminate my plan)? Obviously, I expect to be billed for my normal monthly plan.
- Although I am primarily interested in data, will I be assigned a Swedish phone number for local calls and SMS if needed?
- I assume that if someone calls/texts my US number, it will be the same as if the phone was turned off, and I'll get voicemail/texts when I return.
europe cellphones
asked Aug 22 at 12:42
Mike Harris
1,128617
asked Aug 22 at 12:42
Mike Harris
1,128617
asked Aug 22 at 12:42
Mike Harris
1,128617
asked Aug 22 at 12:42
Mike Harris
1,128617
1,128617
2
The first of your bulleted items is the real question, which I don't know how to answer. But for the rest: (2) No, your home carrier cannot distinguish between you using a different SIM or simply choosing to turn off your phone for a few weeks/months. (3) There are data-only plans on the Swedish market that look like they don't come with a phone number. They are often used with, e.g., tablets that don't have voice phone functionality. (4) Yes; see (2).
– Henning Makholm
Aug 22 at 12:56
something to consider as an alternative: T-mobile USA has an unlimited national and international data plan, for a quite normal price. I have been using it for several years, without problems, in India, Russia, Peru, and over a dozen EU countries (including Sweden).
– Aganju
Aug 22 at 14:34
An other way, get a phone with the option of two sim cards and you can keep your US number active for incoming calls and texts, but use your second sim for all the rest. (Pity iPhones do not yet have the option for a second sim.)
– Willeke♦
Aug 22 at 16:31
@HenningMakholm Im not entirely sure about Sweden but for technical reasons data plan only should have an assigned phone number, you just don't know it. Most LTE modems for example are capable of sending/receiving SMSes and USSD.
– Jan Dorniak
Aug 22 at 18:37
1
@JanDorniak: I can imagine that there might need to be an identifying phone number for protocol reasons. But presumably the provider could still refuse to connect calls and SMSes made to/from such a number.
– Henning Makholm
Aug 22 at 18:46
 |Â
show 1 more comment
2
The first of your bulleted items is the real question, which I don't know how to answer. But for the rest: (2) No, your home carrier cannot distinguish between you using a different SIM or simply choosing to turn off your phone for a few weeks/months. (3) There are data-only plans on the Swedish market that look like they don't come with a phone number. They are often used with, e.g., tablets that don't have voice phone functionality. (4) Yes; see (2).
– Henning Makholm
Aug 22 at 12:56
something to consider as an alternative: T-mobile USA has an unlimited national and international data plan, for a quite normal price. I have been using it for several years, without problems, in India, Russia, Peru, and over a dozen EU countries (including Sweden).
– Aganju
Aug 22 at 14:34
An other way, get a phone with the option of two sim cards and you can keep your US number active for incoming calls and texts, but use your second sim for all the rest. (Pity iPhones do not yet have the option for a second sim.)
– Willeke♦
Aug 22 at 16:31
@HenningMakholm Im not entirely sure about Sweden but for technical reasons data plan only should have an assigned phone number, you just don't know it. Most LTE modems for example are capable of sending/receiving SMSes and USSD.
– Jan Dorniak
Aug 22 at 18:37
1
@JanDorniak: I can imagine that there might need to be an identifying phone number for protocol reasons. But presumably the provider could still refuse to connect calls and SMSes made to/from such a number.
– Henning Makholm
Aug 22 at 18:46
2
2
The first of your bulleted items is the real question, which I don't know how to answer. But for the rest: (2) No, your home carrier cannot distinguish between you using a different SIM or simply choosing to turn off your phone for a few weeks/months. (3) There are data-only plans on the Swedish market that look like they don't come with a phone number. They are often used with, e.g., tablets that don't have voice phone functionality. (4) Yes; see (2).
– Henning Makholm
Aug 22 at 12:56
The first of your bulleted items is the real question, which I don't know how to answer. But for the rest: (2) No, your home carrier cannot distinguish between you using a different SIM or simply choosing to turn off your phone for a few weeks/months. (3) There are data-only plans on the Swedish market that look like they don't come with a phone number. They are often used with, e.g., tablets that don't have voice phone functionality. (4) Yes; see (2).
– Henning Makholm
Aug 22 at 12:56
something to consider as an alternative: T-mobile USA has an unlimited national and international data plan, for a quite normal price. I have been using it for several years, without problems, in India, Russia, Peru, and over a dozen EU countries (including Sweden).
– Aganju
Aug 22 at 14:34
something to consider as an alternative: T-mobile USA has an unlimited national and international data plan, for a quite normal price. I have been using it for several years, without problems, in India, Russia, Peru, and over a dozen EU countries (including Sweden).
– Aganju
Aug 22 at 14:34
An other way, get a phone with the option of two sim cards and you can keep your US number active for incoming calls and texts, but use your second sim for all the rest. (Pity iPhones do not yet have the option for a second sim.)
– Willeke♦
Aug 22 at 16:31
An other way, get a phone with the option of two sim cards and you can keep your US number active for incoming calls and texts, but use your second sim for all the rest. (Pity iPhones do not yet have the option for a second sim.)
– Willeke♦
Aug 22 at 16:31
@HenningMakholm Im not entirely sure about Sweden but for technical reasons data plan only should have an assigned phone number, you just don't know it. Most LTE modems for example are capable of sending/receiving SMSes and USSD.
– Jan Dorniak
Aug 22 at 18:37
@HenningMakholm Im not entirely sure about Sweden but for technical reasons data plan only should have an assigned phone number, you just don't know it. Most LTE modems for example are capable of sending/receiving SMSes and USSD.
– Jan Dorniak
Aug 22 at 18:37
1
1
@JanDorniak: I can imagine that there might need to be an identifying phone number for protocol reasons. But presumably the provider could still refuse to connect calls and SMSes made to/from such a number.
– Henning Makholm
Aug 22 at 18:46
@JanDorniak: I can imagine that there might need to be an identifying phone number for protocol reasons. But presumably the provider could still refuse to connect calls and SMSes made to/from such a number.
– Henning Makholm
Aug 22 at 18:46
 |Â
show 1 more comment
5 Answers
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oldest
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up vote
10
down vote
accepted
Nothing complicated about it. You buy a prepaid SIM card, maybe get some vouchers to extend the validity and get more voice/data, turn off your phone, switch SIM cards, and reboot your phone. Voilà, you have a Swedish number. Meanwhile, if people call or SMS you on your US number, they won't be able to reach you. Your provider will bill your plan as usual, and that's about it. When you go back to the US you might get a bunch of SMS and missed call alerts.
Depending on the European supplier, you might be able to extend the validity of your prepaid card with recharges.
answered Aug 22 at 12:59
dda
14.3k32951
That's good to know, thanks! So there isn't an issue with not having a local address? I was under the impression that some countries (Germany?) had such a requirement.
– Mike Harris
Aug 22 at 13:33
1
I have never bought a German SIM card. With EU roaming regulations, you can buy a card in one country, and use it within the EU for the same cost.
– dda
Aug 22 at 14:00
8
In Germany (everywhere in the EU?) they will ask for an ID (and as non-EU citizen you will have to show your passport) but that's about it. There is no requirement for residency to get a SIM
– Sebastian J.
Aug 22 at 14:49
2
A while back (2009) I was required give an address for activating the SIM when traveling in Germany. They didn't actually care if I lived at the address though, so I just gave them the address of a friend that lived there. I suspect if you were ever asked, giving the address of the place where you were staying would be sufficient. Since then, I got a SIM card in the Netherlands twice, and I was not asked for an address either time.
– Kevin Peter
Aug 22 at 16:53
1
Note that depending on the US provider, you may be able to suspend your account for extended travel.
– chrylis
Aug 22 at 20:00
 |Â
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up vote
2
down vote
You'll also have to check that your phone isn't network-locked. If you're paying for your phone as part of your monthly cell payments, then it might be. A network-lock (sometimes called a SIM-lock) prevents your phone from registering (being used) on another cell network.
The easiest way to check (apart from asking your cell company), is to put a pay-as-you go SIM from another network in it (or even use a friend's SIM). If the phone is network-locked, then the SIM won't work.
If it is locked, then you can ask your cell company to remove the network lock.
answered Aug 26 at 9:39
CSM
1,028310
Thanks for the answer. I've gone through AT&T's process to unlock the phone, so that's already taken care of.
– Mike Harris
Aug 26 at 23:15
add a comment |Â
up vote
1
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I'm not sure about the technical aspects of the whole US iPhone vs European SIM. My experience is with a European Android phone and a SIM from a different European country. So you might want to run this past AT&T before you leave.
However:
Is this a complicated procedure?
Not at all. I found it easy: power off my phone, take out the SIM, put the other SIM in, and turn the phone on again. And it didn't break anything when I switched back to my home SIM.
Will this cause any issues for my US carrier?
Don't know specifically about your carrier, but my home carrier didn't terminate my plan even after weeks of using the other SIM. And yes, I was billed by my home carrier on the normal monthly schedule. However, some carriers do deactivate prepaid accounts after longish period of inactivity (6 months?), so this might make your plan to save the Stockholm card pointless.
Will I be assigned a Swedish phone number for local calls and SMS if needed?
Yes. Make sure you have your contacts in the phone memory, not on your home SIM. You can tell your friends this new (temporary) number so they can call/text you. You might also get texts from the Swedish carrier in Swedish, welcoming you as a new customer and so on.
I assume that if someone calls/texts my US number, it will be the same as if the phone was turned off, and I'll get voicemail/texts when I return.
I don't know about voicemails but found my carrier only retained the texts for a while. I got the impression that after ~30 days they expired off my home carrier's system.
edited Aug 23 at 0:14
dda
14.3k32951
answered Aug 22 at 21:29
Nick
77016
Not sure about 6 months, but my daughter's US phone number remained OK for 5+ months while she was in Spain. If you keep paying, it stays alive. One thing to consider is connecting/texting through Google Hangouts rather than a specific phone number. That way it doesn't matter which phone number is active at the time.
– Jon Custer
Aug 22 at 23:24
add a comment |Â
up vote
1
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Yes, this is possible. I do this with my unlocked US iPhone (at&t) whenever I travel to my birth country in Europe.
On the plane I switch the SIM cards. After arrival I add a small amount of money (~$10) to the EU prepaid SIM card. From that company, I almost immediately get texts with special offers, for example, for $X get a certain amount of minutes, texts and data, and almost always the deal is very good.
Soon after that, a screen pops up asking if I want to make the new number the principal one (no!), and whether I want to add the new number to iMessages and FaceTime (yes!)
I make this trip every few months, which keeps the prepaid card number always active.
On the plane ride back, I put the at&t card back in, and all goes back as it was pre-travel.
You can also get a 2 SIM card phone, or travel with a separate unlocked phone for use abroad. The latter was what I did before I started purchasing unlocked iPhones.
answered Aug 26 at 19:17
user79729
5013
add a comment |Â
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1
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An annoying problem when removing your home SIM us that you won't get important messages.
I had two such issues, both credit card related:
I was notified by SMS that I reached 90% of my credit limit (long trip, lots of expenses). I didn't see it, and when it reached 100% the card stopped working.
When buying online, my card issuer wanted extra authentication by sending me an SMS with a code. So I quickly put my home SIM back in to get it. But try doing this when buying using your local SIM data connection...
A dual SIM phone is the best solution. A cheap GSM phone for your home SIM is also an option.
answered Aug 26 at 18:51
ugoren
2,274620
Buy a 2nd unlocked phone on eBay and put the US SIM in it and check daily for messages. Then just buy a European data SIM for your good phone.
– zaph
Aug 26 at 19:34
@zaph, This is what I meant by "a cheap (was misspelled) GSM phone".
– ugoren
Aug 26 at 19:36
add a comment |Â
5 Answers
5
active
oldest
votes
5 Answers
5
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
10
down vote
accepted
Nothing complicated about it. You buy a prepaid SIM card, maybe get some vouchers to extend the validity and get more voice/data, turn off your phone, switch SIM cards, and reboot your phone. Voilà, you have a Swedish number. Meanwhile, if people call or SMS you on your US number, they won't be able to reach you. Your provider will bill your plan as usual, and that's about it. When you go back to the US you might get a bunch of SMS and missed call alerts.
Depending on the European supplier, you might be able to extend the validity of your prepaid card with recharges.
answered Aug 22 at 12:59
dda
14.3k32951
That's good to know, thanks! So there isn't an issue with not having a local address? I was under the impression that some countries (Germany?) had such a requirement.
– Mike Harris
Aug 22 at 13:33
1
I have never bought a German SIM card. With EU roaming regulations, you can buy a card in one country, and use it within the EU for the same cost.
– dda
Aug 22 at 14:00
8
In Germany (everywhere in the EU?) they will ask for an ID (and as non-EU citizen you will have to show your passport) but that's about it. There is no requirement for residency to get a SIM
– Sebastian J.
Aug 22 at 14:49
2
A while back (2009) I was required give an address for activating the SIM when traveling in Germany. They didn't actually care if I lived at the address though, so I just gave them the address of a friend that lived there. I suspect if you were ever asked, giving the address of the place where you were staying would be sufficient. Since then, I got a SIM card in the Netherlands twice, and I was not asked for an address either time.
– Kevin Peter
Aug 22 at 16:53
1
Note that depending on the US provider, you may be able to suspend your account for extended travel.
– chrylis
Aug 22 at 20:00
 |Â
show 2 more comments
up vote
10
down vote
accepted
Nothing complicated about it. You buy a prepaid SIM card, maybe get some vouchers to extend the validity and get more voice/data, turn off your phone, switch SIM cards, and reboot your phone. Voilà, you have a Swedish number. Meanwhile, if people call or SMS you on your US number, they won't be able to reach you. Your provider will bill your plan as usual, and that's about it. When you go back to the US you might get a bunch of SMS and missed call alerts.
Depending on the European supplier, you might be able to extend the validity of your prepaid card with recharges.
answered Aug 22 at 12:59
dda
14.3k32951
That's good to know, thanks! So there isn't an issue with not having a local address? I was under the impression that some countries (Germany?) had such a requirement.
– Mike Harris
Aug 22 at 13:33
1
I have never bought a German SIM card. With EU roaming regulations, you can buy a card in one country, and use it within the EU for the same cost.
– dda
Aug 22 at 14:00
8
In Germany (everywhere in the EU?) they will ask for an ID (and as non-EU citizen you will have to show your passport) but that's about it. There is no requirement for residency to get a SIM
– Sebastian J.
Aug 22 at 14:49
2
A while back (2009) I was required give an address for activating the SIM when traveling in Germany. They didn't actually care if I lived at the address though, so I just gave them the address of a friend that lived there. I suspect if you were ever asked, giving the address of the place where you were staying would be sufficient. Since then, I got a SIM card in the Netherlands twice, and I was not asked for an address either time.
– Kevin Peter
Aug 22 at 16:53
1
Note that depending on the US provider, you may be able to suspend your account for extended travel.
– chrylis
Aug 22 at 20:00
 |Â
show 2 more comments
up vote
10
down vote
accepted
up vote
10
down vote
accepted
Nothing complicated about it. You buy a prepaid SIM card, maybe get some vouchers to extend the validity and get more voice/data, turn off your phone, switch SIM cards, and reboot your phone. Voilà, you have a Swedish number. Meanwhile, if people call or SMS you on your US number, they won't be able to reach you. Your provider will bill your plan as usual, and that's about it. When you go back to the US you might get a bunch of SMS and missed call alerts.
Depending on the European supplier, you might be able to extend the validity of your prepaid card with recharges.
answered Aug 22 at 12:59
dda
14.3k32951
Nothing complicated about it. You buy a prepaid SIM card, maybe get some vouchers to extend the validity and get more voice/data, turn off your phone, switch SIM cards, and reboot your phone. Voilà, you have a Swedish number. Meanwhile, if people call or SMS you on your US number, they won't be able to reach you. Your provider will bill your plan as usual, and that's about it. When you go back to the US you might get a bunch of SMS and missed call alerts.
Depending on the European supplier, you might be able to extend the validity of your prepaid card with recharges.
answered Aug 22 at 12:59
dda
14.3k32951
answered Aug 22 at 12:59
dda
14.3k32951
answered Aug 22 at 12:59
dda
14.3k32951
answered Aug 22 at 12:59
dda
14.3k32951
14.3k32951
That's good to know, thanks! So there isn't an issue with not having a local address? I was under the impression that some countries (Germany?) had such a requirement.
– Mike Harris
Aug 22 at 13:33
1
I have never bought a German SIM card. With EU roaming regulations, you can buy a card in one country, and use it within the EU for the same cost.
– dda
Aug 22 at 14:00
8
In Germany (everywhere in the EU?) they will ask for an ID (and as non-EU citizen you will have to show your passport) but that's about it. There is no requirement for residency to get a SIM
– Sebastian J.
Aug 22 at 14:49
2
A while back (2009) I was required give an address for activating the SIM when traveling in Germany. They didn't actually care if I lived at the address though, so I just gave them the address of a friend that lived there. I suspect if you were ever asked, giving the address of the place where you were staying would be sufficient. Since then, I got a SIM card in the Netherlands twice, and I was not asked for an address either time.
– Kevin Peter
Aug 22 at 16:53
1
Note that depending on the US provider, you may be able to suspend your account for extended travel.
– chrylis
Aug 22 at 20:00
 |Â
show 2 more comments
That's good to know, thanks! So there isn't an issue with not having a local address? I was under the impression that some countries (Germany?) had such a requirement.
– Mike Harris
Aug 22 at 13:33
1
I have never bought a German SIM card. With EU roaming regulations, you can buy a card in one country, and use it within the EU for the same cost.
– dda
Aug 22 at 14:00
8
In Germany (everywhere in the EU?) they will ask for an ID (and as non-EU citizen you will have to show your passport) but that's about it. There is no requirement for residency to get a SIM
– Sebastian J.
Aug 22 at 14:49
2
A while back (2009) I was required give an address for activating the SIM when traveling in Germany. They didn't actually care if I lived at the address though, so I just gave them the address of a friend that lived there. I suspect if you were ever asked, giving the address of the place where you were staying would be sufficient. Since then, I got a SIM card in the Netherlands twice, and I was not asked for an address either time.
– Kevin Peter
Aug 22 at 16:53
1
Note that depending on the US provider, you may be able to suspend your account for extended travel.
– chrylis
Aug 22 at 20:00
That's good to know, thanks! So there isn't an issue with not having a local address? I was under the impression that some countries (Germany?) had such a requirement.
– Mike Harris
Aug 22 at 13:33
That's good to know, thanks! So there isn't an issue with not having a local address? I was under the impression that some countries (Germany?) had such a requirement.
– Mike Harris
Aug 22 at 13:33
1
1
I have never bought a German SIM card. With EU roaming regulations, you can buy a card in one country, and use it within the EU for the same cost.
– dda
Aug 22 at 14:00
I have never bought a German SIM card. With EU roaming regulations, you can buy a card in one country, and use it within the EU for the same cost.
– dda
Aug 22 at 14:00
8
8
In Germany (everywhere in the EU?) they will ask for an ID (and as non-EU citizen you will have to show your passport) but that's about it. There is no requirement for residency to get a SIM
– Sebastian J.
Aug 22 at 14:49
In Germany (everywhere in the EU?) they will ask for an ID (and as non-EU citizen you will have to show your passport) but that's about it. There is no requirement for residency to get a SIM
– Sebastian J.
Aug 22 at 14:49
2
2
A while back (2009) I was required give an address for activating the SIM when traveling in Germany. They didn't actually care if I lived at the address though, so I just gave them the address of a friend that lived there. I suspect if you were ever asked, giving the address of the place where you were staying would be sufficient. Since then, I got a SIM card in the Netherlands twice, and I was not asked for an address either time.
– Kevin Peter
Aug 22 at 16:53
A while back (2009) I was required give an address for activating the SIM when traveling in Germany. They didn't actually care if I lived at the address though, so I just gave them the address of a friend that lived there. I suspect if you were ever asked, giving the address of the place where you were staying would be sufficient. Since then, I got a SIM card in the Netherlands twice, and I was not asked for an address either time.
– Kevin Peter
Aug 22 at 16:53
1
1
Note that depending on the US provider, you may be able to suspend your account for extended travel.
– chrylis
Aug 22 at 20:00
Note that depending on the US provider, you may be able to suspend your account for extended travel.
– chrylis
Aug 22 at 20:00
 |Â
show 2 more comments
up vote
2
down vote
You'll also have to check that your phone isn't network-locked. If you're paying for your phone as part of your monthly cell payments, then it might be. A network-lock (sometimes called a SIM-lock) prevents your phone from registering (being used) on another cell network.
The easiest way to check (apart from asking your cell company), is to put a pay-as-you go SIM from another network in it (or even use a friend's SIM). If the phone is network-locked, then the SIM won't work.
If it is locked, then you can ask your cell company to remove the network lock.
answered Aug 26 at 9:39
CSM
1,028310
Thanks for the answer. I've gone through AT&T's process to unlock the phone, so that's already taken care of.
– Mike Harris
Aug 26 at 23:15
add a comment |Â
up vote
2
down vote
You'll also have to check that your phone isn't network-locked. If you're paying for your phone as part of your monthly cell payments, then it might be. A network-lock (sometimes called a SIM-lock) prevents your phone from registering (being used) on another cell network.
The easiest way to check (apart from asking your cell company), is to put a pay-as-you go SIM from another network in it (or even use a friend's SIM). If the phone is network-locked, then the SIM won't work.
If it is locked, then you can ask your cell company to remove the network lock.
answered Aug 26 at 9:39
CSM
1,028310
Thanks for the answer. I've gone through AT&T's process to unlock the phone, so that's already taken care of.
– Mike Harris
Aug 26 at 23:15
add a comment |Â
up vote
2
down vote
up vote
2
down vote
You'll also have to check that your phone isn't network-locked. If you're paying for your phone as part of your monthly cell payments, then it might be. A network-lock (sometimes called a SIM-lock) prevents your phone from registering (being used) on another cell network.
The easiest way to check (apart from asking your cell company), is to put a pay-as-you go SIM from another network in it (or even use a friend's SIM). If the phone is network-locked, then the SIM won't work.
If it is locked, then you can ask your cell company to remove the network lock.
answered Aug 26 at 9:39
CSM
1,028310
You'll also have to check that your phone isn't network-locked. If you're paying for your phone as part of your monthly cell payments, then it might be. A network-lock (sometimes called a SIM-lock) prevents your phone from registering (being used) on another cell network.
The easiest way to check (apart from asking your cell company), is to put a pay-as-you go SIM from another network in it (or even use a friend's SIM). If the phone is network-locked, then the SIM won't work.
If it is locked, then you can ask your cell company to remove the network lock.
answered Aug 26 at 9:39
CSM
1,028310
edited Aug 26 at 9:46
answered Aug 26 at 9:39
CSM
1,028310
answered Aug 26 at 9:39
CSM
1,028310
answered Aug 26 at 9:39
CSM
1,028310
1,028310
Thanks for the answer. I've gone through AT&T's process to unlock the phone, so that's already taken care of.
– Mike Harris
Aug 26 at 23:15
add a comment |Â
Thanks for the answer. I've gone through AT&T's process to unlock the phone, so that's already taken care of.
– Mike Harris
Aug 26 at 23:15
Thanks for the answer. I've gone through AT&T's process to unlock the phone, so that's already taken care of.
– Mike Harris
Aug 26 at 23:15
Thanks for the answer. I've gone through AT&T's process to unlock the phone, so that's already taken care of.
– Mike Harris
Aug 26 at 23:15
add a comment |Â
up vote
1
down vote
I'm not sure about the technical aspects of the whole US iPhone vs European SIM. My experience is with a European Android phone and a SIM from a different European country. So you might want to run this past AT&T before you leave.
However:
Is this a complicated procedure?
Not at all. I found it easy: power off my phone, take out the SIM, put the other SIM in, and turn the phone on again. And it didn't break anything when I switched back to my home SIM.
Will this cause any issues for my US carrier?
Don't know specifically about your carrier, but my home carrier didn't terminate my plan even after weeks of using the other SIM. And yes, I was billed by my home carrier on the normal monthly schedule. However, some carriers do deactivate prepaid accounts after longish period of inactivity (6 months?), so this might make your plan to save the Stockholm card pointless.
Will I be assigned a Swedish phone number for local calls and SMS if needed?
Yes. Make sure you have your contacts in the phone memory, not on your home SIM. You can tell your friends this new (temporary) number so they can call/text you. You might also get texts from the Swedish carrier in Swedish, welcoming you as a new customer and so on.
I assume that if someone calls/texts my US number, it will be the same as if the phone was turned off, and I'll get voicemail/texts when I return.
I don't know about voicemails but found my carrier only retained the texts for a while. I got the impression that after ~30 days they expired off my home carrier's system.
edited Aug 23 at 0:14
dda
14.3k32951
answered Aug 22 at 21:29
Nick
77016
Not sure about 6 months, but my daughter's US phone number remained OK for 5+ months while she was in Spain. If you keep paying, it stays alive. One thing to consider is connecting/texting through Google Hangouts rather than a specific phone number. That way it doesn't matter which phone number is active at the time.
– Jon Custer
Aug 22 at 23:24
add a comment |Â
up vote
1
down vote
I'm not sure about the technical aspects of the whole US iPhone vs European SIM. My experience is with a European Android phone and a SIM from a different European country. So you might want to run this past AT&T before you leave.
However:
Is this a complicated procedure?
Not at all. I found it easy: power off my phone, take out the SIM, put the other SIM in, and turn the phone on again. And it didn't break anything when I switched back to my home SIM.
Will this cause any issues for my US carrier?
Don't know specifically about your carrier, but my home carrier didn't terminate my plan even after weeks of using the other SIM. And yes, I was billed by my home carrier on the normal monthly schedule. However, some carriers do deactivate prepaid accounts after longish period of inactivity (6 months?), so this might make your plan to save the Stockholm card pointless.
Will I be assigned a Swedish phone number for local calls and SMS if needed?
Yes. Make sure you have your contacts in the phone memory, not on your home SIM. You can tell your friends this new (temporary) number so they can call/text you. You might also get texts from the Swedish carrier in Swedish, welcoming you as a new customer and so on.
I assume that if someone calls/texts my US number, it will be the same as if the phone was turned off, and I'll get voicemail/texts when I return.
I don't know about voicemails but found my carrier only retained the texts for a while. I got the impression that after ~30 days they expired off my home carrier's system.
edited Aug 23 at 0:14
dda
14.3k32951
answered Aug 22 at 21:29
Nick
77016
Not sure about 6 months, but my daughter's US phone number remained OK for 5+ months while she was in Spain. If you keep paying, it stays alive. One thing to consider is connecting/texting through Google Hangouts rather than a specific phone number. That way it doesn't matter which phone number is active at the time.
– Jon Custer
Aug 22 at 23:24
add a comment |Â
up vote
1
down vote
up vote
1
down vote
I'm not sure about the technical aspects of the whole US iPhone vs European SIM. My experience is with a European Android phone and a SIM from a different European country. So you might want to run this past AT&T before you leave.
However:
Is this a complicated procedure?
Not at all. I found it easy: power off my phone, take out the SIM, put the other SIM in, and turn the phone on again. And it didn't break anything when I switched back to my home SIM.
Will this cause any issues for my US carrier?
Don't know specifically about your carrier, but my home carrier didn't terminate my plan even after weeks of using the other SIM. And yes, I was billed by my home carrier on the normal monthly schedule. However, some carriers do deactivate prepaid accounts after longish period of inactivity (6 months?), so this might make your plan to save the Stockholm card pointless.
Will I be assigned a Swedish phone number for local calls and SMS if needed?
Yes. Make sure you have your contacts in the phone memory, not on your home SIM. You can tell your friends this new (temporary) number so they can call/text you. You might also get texts from the Swedish carrier in Swedish, welcoming you as a new customer and so on.
I assume that if someone calls/texts my US number, it will be the same as if the phone was turned off, and I'll get voicemail/texts when I return.
I don't know about voicemails but found my carrier only retained the texts for a while. I got the impression that after ~30 days they expired off my home carrier's system.
edited Aug 23 at 0:14
dda
14.3k32951
answered Aug 22 at 21:29
Nick
77016
I'm not sure about the technical aspects of the whole US iPhone vs European SIM. My experience is with a European Android phone and a SIM from a different European country. So you might want to run this past AT&T before you leave.
However:
Is this a complicated procedure?
Not at all. I found it easy: power off my phone, take out the SIM, put the other SIM in, and turn the phone on again. And it didn't break anything when I switched back to my home SIM.
Will this cause any issues for my US carrier?
Don't know specifically about your carrier, but my home carrier didn't terminate my plan even after weeks of using the other SIM. And yes, I was billed by my home carrier on the normal monthly schedule. However, some carriers do deactivate prepaid accounts after longish period of inactivity (6 months?), so this might make your plan to save the Stockholm card pointless.
Will I be assigned a Swedish phone number for local calls and SMS if needed?
Yes. Make sure you have your contacts in the phone memory, not on your home SIM. You can tell your friends this new (temporary) number so they can call/text you. You might also get texts from the Swedish carrier in Swedish, welcoming you as a new customer and so on.
I assume that if someone calls/texts my US number, it will be the same as if the phone was turned off, and I'll get voicemail/texts when I return.
I don't know about voicemails but found my carrier only retained the texts for a while. I got the impression that after ~30 days they expired off my home carrier's system.
edited Aug 23 at 0:14
dda
14.3k32951
answered Aug 22 at 21:29
Nick
77016
edited Aug 23 at 0:14
dda
14.3k32951
edited Aug 23 at 0:14
dda
14.3k32951
edited Aug 23 at 0:14
dda
14.3k32951
14.3k32951
answered Aug 22 at 21:29
Nick
77016
answered Aug 22 at 21:29
Nick
77016
answered Aug 22 at 21:29
Nick
77016
77016
Not sure about 6 months, but my daughter's US phone number remained OK for 5+ months while she was in Spain. If you keep paying, it stays alive. One thing to consider is connecting/texting through Google Hangouts rather than a specific phone number. That way it doesn't matter which phone number is active at the time.
– Jon Custer
Aug 22 at 23:24
add a comment |Â
Not sure about 6 months, but my daughter's US phone number remained OK for 5+ months while she was in Spain. If you keep paying, it stays alive. One thing to consider is connecting/texting through Google Hangouts rather than a specific phone number. That way it doesn't matter which phone number is active at the time.
– Jon Custer
Aug 22 at 23:24
Not sure about 6 months, but my daughter's US phone number remained OK for 5+ months while she was in Spain. If you keep paying, it stays alive. One thing to consider is connecting/texting through Google Hangouts rather than a specific phone number. That way it doesn't matter which phone number is active at the time.
– Jon Custer
Aug 22 at 23:24
Not sure about 6 months, but my daughter's US phone number remained OK for 5+ months while she was in Spain. If you keep paying, it stays alive. One thing to consider is connecting/texting through Google Hangouts rather than a specific phone number. That way it doesn't matter which phone number is active at the time.
– Jon Custer
Aug 22 at 23:24
add a comment |Â
up vote
1
down vote
Yes, this is possible. I do this with my unlocked US iPhone (at&t) whenever I travel to my birth country in Europe.
On the plane I switch the SIM cards. After arrival I add a small amount of money (~$10) to the EU prepaid SIM card. From that company, I almost immediately get texts with special offers, for example, for $X get a certain amount of minutes, texts and data, and almost always the deal is very good.
Soon after that, a screen pops up asking if I want to make the new number the principal one (no!), and whether I want to add the new number to iMessages and FaceTime (yes!)
I make this trip every few months, which keeps the prepaid card number always active.
On the plane ride back, I put the at&t card back in, and all goes back as it was pre-travel.
You can also get a 2 SIM card phone, or travel with a separate unlocked phone for use abroad. The latter was what I did before I started purchasing unlocked iPhones.
answered Aug 26 at 19:17
user79729
5013
add a comment |Â
up vote
1
down vote
Yes, this is possible. I do this with my unlocked US iPhone (at&t) whenever I travel to my birth country in Europe.
On the plane I switch the SIM cards. After arrival I add a small amount of money (~$10) to the EU prepaid SIM card. From that company, I almost immediately get texts with special offers, for example, for $X get a certain amount of minutes, texts and data, and almost always the deal is very good.
Soon after that, a screen pops up asking if I want to make the new number the principal one (no!), and whether I want to add the new number to iMessages and FaceTime (yes!)
I make this trip every few months, which keeps the prepaid card number always active.
On the plane ride back, I put the at&t card back in, and all goes back as it was pre-travel.
You can also get a 2 SIM card phone, or travel with a separate unlocked phone for use abroad. The latter was what I did before I started purchasing unlocked iPhones.
answered Aug 26 at 19:17
user79729
5013
add a comment |Â
up vote
1
down vote
up vote
1
down vote
Yes, this is possible. I do this with my unlocked US iPhone (at&t) whenever I travel to my birth country in Europe.
On the plane I switch the SIM cards. After arrival I add a small amount of money (~$10) to the EU prepaid SIM card. From that company, I almost immediately get texts with special offers, for example, for $X get a certain amount of minutes, texts and data, and almost always the deal is very good.
Soon after that, a screen pops up asking if I want to make the new number the principal one (no!), and whether I want to add the new number to iMessages and FaceTime (yes!)
I make this trip every few months, which keeps the prepaid card number always active.
On the plane ride back, I put the at&t card back in, and all goes back as it was pre-travel.
You can also get a 2 SIM card phone, or travel with a separate unlocked phone for use abroad. The latter was what I did before I started purchasing unlocked iPhones.
answered Aug 26 at 19:17
user79729
5013
Yes, this is possible. I do this with my unlocked US iPhone (at&t) whenever I travel to my birth country in Europe.
On the plane I switch the SIM cards. After arrival I add a small amount of money (~$10) to the EU prepaid SIM card. From that company, I almost immediately get texts with special offers, for example, for $X get a certain amount of minutes, texts and data, and almost always the deal is very good.
Soon after that, a screen pops up asking if I want to make the new number the principal one (no!), and whether I want to add the new number to iMessages and FaceTime (yes!)
I make this trip every few months, which keeps the prepaid card number always active.
On the plane ride back, I put the at&t card back in, and all goes back as it was pre-travel.
You can also get a 2 SIM card phone, or travel with a separate unlocked phone for use abroad. The latter was what I did before I started purchasing unlocked iPhones.
answered Aug 26 at 19:17
user79729
5013
answered Aug 26 at 19:17
user79729
5013
answered Aug 26 at 19:17
user79729
5013
answered Aug 26 at 19:17
user79729
5013
5013
add a comment |Â
add a comment |Â
up vote
1
down vote
An annoying problem when removing your home SIM us that you won't get important messages.
I had two such issues, both credit card related:
I was notified by SMS that I reached 90% of my credit limit (long trip, lots of expenses). I didn't see it, and when it reached 100% the card stopped working.
When buying online, my card issuer wanted extra authentication by sending me an SMS with a code. So I quickly put my home SIM back in to get it. But try doing this when buying using your local SIM data connection...
A dual SIM phone is the best solution. A cheap GSM phone for your home SIM is also an option.
answered Aug 26 at 18:51
ugoren
2,274620
Buy a 2nd unlocked phone on eBay and put the US SIM in it and check daily for messages. Then just buy a European data SIM for your good phone.
– zaph
Aug 26 at 19:34
@zaph, This is what I meant by "a cheap (was misspelled) GSM phone".
– ugoren
Aug 26 at 19:36
add a comment |Â
up vote
1
down vote
An annoying problem when removing your home SIM us that you won't get important messages.
I had two such issues, both credit card related:
I was notified by SMS that I reached 90% of my credit limit (long trip, lots of expenses). I didn't see it, and when it reached 100% the card stopped working.
When buying online, my card issuer wanted extra authentication by sending me an SMS with a code. So I quickly put my home SIM back in to get it. But try doing this when buying using your local SIM data connection...
A dual SIM phone is the best solution. A cheap GSM phone for your home SIM is also an option.
answered Aug 26 at 18:51
ugoren
2,274620
Buy a 2nd unlocked phone on eBay and put the US SIM in it and check daily for messages. Then just buy a European data SIM for your good phone.
– zaph
Aug 26 at 19:34
@zaph, This is what I meant by "a cheap (was misspelled) GSM phone".
– ugoren
Aug 26 at 19:36
add a comment |Â
up vote
1
down vote
up vote
1
down vote
An annoying problem when removing your home SIM us that you won't get important messages.
I had two such issues, both credit card related:
I was notified by SMS that I reached 90% of my credit limit (long trip, lots of expenses). I didn't see it, and when it reached 100% the card stopped working.
When buying online, my card issuer wanted extra authentication by sending me an SMS with a code. So I quickly put my home SIM back in to get it. But try doing this when buying using your local SIM data connection...
A dual SIM phone is the best solution. A cheap GSM phone for your home SIM is also an option.
answered Aug 26 at 18:51
ugoren
2,274620
An annoying problem when removing your home SIM us that you won't get important messages.
I had two such issues, both credit card related:
I was notified by SMS that I reached 90% of my credit limit (long trip, lots of expenses). I didn't see it, and when it reached 100% the card stopped working.
When buying online, my card issuer wanted extra authentication by sending me an SMS with a code. So I quickly put my home SIM back in to get it. But try doing this when buying using your local SIM data connection...
A dual SIM phone is the best solution. A cheap GSM phone for your home SIM is also an option.
answered Aug 26 at 18:51
ugoren
2,274620
edited Aug 26 at 19:36
answered Aug 26 at 18:51
ugoren
2,274620
answered Aug 26 at 18:51
ugoren
2,274620
answered Aug 26 at 18:51
ugoren
2,274620
2,274620
Buy a 2nd unlocked phone on eBay and put the US SIM in it and check daily for messages. Then just buy a European data SIM for your good phone.
– zaph
Aug 26 at 19:34
@zaph, This is what I meant by "a cheap (was misspelled) GSM phone".
– ugoren
Aug 26 at 19:36
add a comment |Â
Buy a 2nd unlocked phone on eBay and put the US SIM in it and check daily for messages. Then just buy a European data SIM for your good phone.
– zaph
Aug 26 at 19:34
@zaph, This is what I meant by "a cheap (was misspelled) GSM phone".
– ugoren
Aug 26 at 19:36
Buy a 2nd unlocked phone on eBay and put the US SIM in it and check daily for messages. Then just buy a European data SIM for your good phone.
– zaph
Aug 26 at 19:34
Buy a 2nd unlocked phone on eBay and put the US SIM in it and check daily for messages. Then just buy a European data SIM for your good phone.
– zaph
Aug 26 at 19:34
@zaph, This is what I meant by "a cheap (was misspelled) GSM phone".
– ugoren
Aug 26 at 19:36
@zaph, This is what I meant by "a cheap (was misspelled) GSM phone".
– ugoren
Aug 26 at 19:36
add a comment |Â
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2
The first of your bulleted items is the real question, which I don't know how to answer. But for the rest: (2) No, your home carrier cannot distinguish between you using a different SIM or simply choosing to turn off your phone for a few weeks/months. (3) There are data-only plans on the Swedish market that look like they don't come with a phone number. They are often used with, e.g., tablets that don't have voice phone functionality. (4) Yes; see (2).
– Henning Makholm
Aug 22 at 12:56
something to consider as an alternative: T-mobile USA has an unlimited national and international data plan, for a quite normal price. I have been using it for several years, without problems, in India, Russia, Peru, and over a dozen EU countries (including Sweden).
– Aganju
Aug 22 at 14:34
An other way, get a phone with the option of two sim cards and you can keep your US number active for incoming calls and texts, but use your second sim for all the rest. (Pity iPhones do not yet have the option for a second sim.)
– Willeke♦
Aug 22 at 16:31
@HenningMakholm Im not entirely sure about Sweden but for technical reasons data plan only should have an assigned phone number, you just don't know it. Most LTE modems for example are capable of sending/receiving SMSes and USSD.
– Jan Dorniak
Aug 22 at 18:37
1
@JanDorniak: I can imagine that there might need to be an identifying phone number for protocol reasons. But presumably the provider could still refuse to connect calls and SMSes made to/from such a number.
– Henning Makholm
Aug 22 at 18:46