How is T-Mobile USA's roaming service in Japan?









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We have a T-Mobile (USA) plan that allows for international roaming in Japan. How does the service perform in Tokyo and Osaka?



I am choosing between this or paying for a sim for my unlocked phone in Japan, so I would also be interested in information about carriers for a Japan sim for comparison.










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  • 1




    Why put on Hold? This question is easily answered based on experience. You're really doing a disservice by closing this. Seriously.
    – Johns-305
    May 31 '17 at 13:41






  • 1




    Sorry, this question was wrongly closed so...T-Mobile service works pretty much as advertised in Japan (and China). It's basically minimum 2G so if something higher is available, the phone will connect to that so if you see 4G or LTE, it is still included in the plan. The only odd thing I noticed was sometimes the data connection took longer to 'activate' but it eventually did. Keep in mind, WiFi is prevalent enough to make WiFi Calling easily achievable if you really need voice. Anything over WiFi acts just as if you were home.
    – Johns-305
    May 31 '17 at 13:49














up vote
4
down vote

favorite












We have a T-Mobile (USA) plan that allows for international roaming in Japan. How does the service perform in Tokyo and Osaka?



I am choosing between this or paying for a sim for my unlocked phone in Japan, so I would also be interested in information about carriers for a Japan sim for comparison.










share|improve this question



















  • 1




    Why put on Hold? This question is easily answered based on experience. You're really doing a disservice by closing this. Seriously.
    – Johns-305
    May 31 '17 at 13:41






  • 1




    Sorry, this question was wrongly closed so...T-Mobile service works pretty much as advertised in Japan (and China). It's basically minimum 2G so if something higher is available, the phone will connect to that so if you see 4G or LTE, it is still included in the plan. The only odd thing I noticed was sometimes the data connection took longer to 'activate' but it eventually did. Keep in mind, WiFi is prevalent enough to make WiFi Calling easily achievable if you really need voice. Anything over WiFi acts just as if you were home.
    – Johns-305
    May 31 '17 at 13:49












up vote
4
down vote

favorite









up vote
4
down vote

favorite











We have a T-Mobile (USA) plan that allows for international roaming in Japan. How does the service perform in Tokyo and Osaka?



I am choosing between this or paying for a sim for my unlocked phone in Japan, so I would also be interested in information about carriers for a Japan sim for comparison.










share|improve this question















We have a T-Mobile (USA) plan that allows for international roaming in Japan. How does the service perform in Tokyo and Osaka?



I am choosing between this or paying for a sim for my unlocked phone in Japan, so I would also be interested in information about carriers for a Japan sim for comparison.







japan cellphones






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share|improve this question













share|improve this question




share|improve this question








edited May 31 '17 at 16:33









user568458

10.6k55377




10.6k55377










asked May 30 '17 at 18:50









Robert

2412




2412







  • 1




    Why put on Hold? This question is easily answered based on experience. You're really doing a disservice by closing this. Seriously.
    – Johns-305
    May 31 '17 at 13:41






  • 1




    Sorry, this question was wrongly closed so...T-Mobile service works pretty much as advertised in Japan (and China). It's basically minimum 2G so if something higher is available, the phone will connect to that so if you see 4G or LTE, it is still included in the plan. The only odd thing I noticed was sometimes the data connection took longer to 'activate' but it eventually did. Keep in mind, WiFi is prevalent enough to make WiFi Calling easily achievable if you really need voice. Anything over WiFi acts just as if you were home.
    – Johns-305
    May 31 '17 at 13:49












  • 1




    Why put on Hold? This question is easily answered based on experience. You're really doing a disservice by closing this. Seriously.
    – Johns-305
    May 31 '17 at 13:41






  • 1




    Sorry, this question was wrongly closed so...T-Mobile service works pretty much as advertised in Japan (and China). It's basically minimum 2G so if something higher is available, the phone will connect to that so if you see 4G or LTE, it is still included in the plan. The only odd thing I noticed was sometimes the data connection took longer to 'activate' but it eventually did. Keep in mind, WiFi is prevalent enough to make WiFi Calling easily achievable if you really need voice. Anything over WiFi acts just as if you were home.
    – Johns-305
    May 31 '17 at 13:49







1




1




Why put on Hold? This question is easily answered based on experience. You're really doing a disservice by closing this. Seriously.
– Johns-305
May 31 '17 at 13:41




Why put on Hold? This question is easily answered based on experience. You're really doing a disservice by closing this. Seriously.
– Johns-305
May 31 '17 at 13:41




1




1




Sorry, this question was wrongly closed so...T-Mobile service works pretty much as advertised in Japan (and China). It's basically minimum 2G so if something higher is available, the phone will connect to that so if you see 4G or LTE, it is still included in the plan. The only odd thing I noticed was sometimes the data connection took longer to 'activate' but it eventually did. Keep in mind, WiFi is prevalent enough to make WiFi Calling easily achievable if you really need voice. Anything over WiFi acts just as if you were home.
– Johns-305
May 31 '17 at 13:49




Sorry, this question was wrongly closed so...T-Mobile service works pretty much as advertised in Japan (and China). It's basically minimum 2G so if something higher is available, the phone will connect to that so if you see 4G or LTE, it is still included in the plan. The only odd thing I noticed was sometimes the data connection took longer to 'activate' but it eventually did. Keep in mind, WiFi is prevalent enough to make WiFi Calling easily achievable if you really need voice. Anything over WiFi acts just as if you were home.
– Johns-305
May 31 '17 at 13:49










2 Answers
2






active

oldest

votes

















up vote
4
down vote













We used T-mobile in Japan last fall, and it worked fine for our needs. Technically the "free" data plan is only 2G but you get often decent speeds since you get automatically upgraded to 3G where 2G isn't available. Plenty of data for using maps & navigation all over Japan including Tokyo and Osaka and also some out of the way mountain villages.






share|improve this answer
















  • 2




    The term "2G" could be little bit confusing here. You might still connected to a 4G/3G network but the speed is throttled to emulate 2G/EDGE performance.
    – KH.Lee
    May 31 '17 at 6:33










  • True, but in our experience it worked quite well
    – Hilmar
    May 31 '17 at 21:32

















up vote
3
down vote













T-Mobile service works pretty much as advertised in Japan (and China) on the T-Mobile One plan. The first time you connect in a region, you'll get a text from T-Mobile detailing the benefits.



It's basically minimum 2G so if something higher is available, the phone will connect to that so if you see 4G or LTE, it is still included in the plan. General data stuff, Facebook, Skype, Pokémon Go, etc all worked fine. I did not try YouTube off Wifi but videos on Facebook played pretty much normal. The AppStore was a bit sketchy so if you really need to install or update, find WiFi.



The only odd thing I noticed was sometimes the data connection took longer to activate but it eventually did.



Also, keep in mind WiFi is prevalent enough to make WiFi Calling easily achievable if you really need voice. Anything over WiFi acts just as if you were home. Note, you do need a T-Mobile branded phone to use WiFi Calling.






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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes








    up vote
    4
    down vote













    We used T-mobile in Japan last fall, and it worked fine for our needs. Technically the "free" data plan is only 2G but you get often decent speeds since you get automatically upgraded to 3G where 2G isn't available. Plenty of data for using maps & navigation all over Japan including Tokyo and Osaka and also some out of the way mountain villages.






    share|improve this answer
















    • 2




      The term "2G" could be little bit confusing here. You might still connected to a 4G/3G network but the speed is throttled to emulate 2G/EDGE performance.
      – KH.Lee
      May 31 '17 at 6:33










    • True, but in our experience it worked quite well
      – Hilmar
      May 31 '17 at 21:32














    up vote
    4
    down vote













    We used T-mobile in Japan last fall, and it worked fine for our needs. Technically the "free" data plan is only 2G but you get often decent speeds since you get automatically upgraded to 3G where 2G isn't available. Plenty of data for using maps & navigation all over Japan including Tokyo and Osaka and also some out of the way mountain villages.






    share|improve this answer
















    • 2




      The term "2G" could be little bit confusing here. You might still connected to a 4G/3G network but the speed is throttled to emulate 2G/EDGE performance.
      – KH.Lee
      May 31 '17 at 6:33










    • True, but in our experience it worked quite well
      – Hilmar
      May 31 '17 at 21:32












    up vote
    4
    down vote










    up vote
    4
    down vote









    We used T-mobile in Japan last fall, and it worked fine for our needs. Technically the "free" data plan is only 2G but you get often decent speeds since you get automatically upgraded to 3G where 2G isn't available. Plenty of data for using maps & navigation all over Japan including Tokyo and Osaka and also some out of the way mountain villages.






    share|improve this answer












    We used T-mobile in Japan last fall, and it worked fine for our needs. Technically the "free" data plan is only 2G but you get often decent speeds since you get automatically upgraded to 3G where 2G isn't available. Plenty of data for using maps & navigation all over Japan including Tokyo and Osaka and also some out of the way mountain villages.







    share|improve this answer












    share|improve this answer



    share|improve this answer










    answered May 30 '17 at 20:17









    Hilmar

    19.1k13163




    19.1k13163







    • 2




      The term "2G" could be little bit confusing here. You might still connected to a 4G/3G network but the speed is throttled to emulate 2G/EDGE performance.
      – KH.Lee
      May 31 '17 at 6:33










    • True, but in our experience it worked quite well
      – Hilmar
      May 31 '17 at 21:32












    • 2




      The term "2G" could be little bit confusing here. You might still connected to a 4G/3G network but the speed is throttled to emulate 2G/EDGE performance.
      – KH.Lee
      May 31 '17 at 6:33










    • True, but in our experience it worked quite well
      – Hilmar
      May 31 '17 at 21:32







    2




    2




    The term "2G" could be little bit confusing here. You might still connected to a 4G/3G network but the speed is throttled to emulate 2G/EDGE performance.
    – KH.Lee
    May 31 '17 at 6:33




    The term "2G" could be little bit confusing here. You might still connected to a 4G/3G network but the speed is throttled to emulate 2G/EDGE performance.
    – KH.Lee
    May 31 '17 at 6:33












    True, but in our experience it worked quite well
    – Hilmar
    May 31 '17 at 21:32




    True, but in our experience it worked quite well
    – Hilmar
    May 31 '17 at 21:32












    up vote
    3
    down vote













    T-Mobile service works pretty much as advertised in Japan (and China) on the T-Mobile One plan. The first time you connect in a region, you'll get a text from T-Mobile detailing the benefits.



    It's basically minimum 2G so if something higher is available, the phone will connect to that so if you see 4G or LTE, it is still included in the plan. General data stuff, Facebook, Skype, Pokémon Go, etc all worked fine. I did not try YouTube off Wifi but videos on Facebook played pretty much normal. The AppStore was a bit sketchy so if you really need to install or update, find WiFi.



    The only odd thing I noticed was sometimes the data connection took longer to activate but it eventually did.



    Also, keep in mind WiFi is prevalent enough to make WiFi Calling easily achievable if you really need voice. Anything over WiFi acts just as if you were home. Note, you do need a T-Mobile branded phone to use WiFi Calling.






    share|improve this answer
























      up vote
      3
      down vote













      T-Mobile service works pretty much as advertised in Japan (and China) on the T-Mobile One plan. The first time you connect in a region, you'll get a text from T-Mobile detailing the benefits.



      It's basically minimum 2G so if something higher is available, the phone will connect to that so if you see 4G or LTE, it is still included in the plan. General data stuff, Facebook, Skype, Pokémon Go, etc all worked fine. I did not try YouTube off Wifi but videos on Facebook played pretty much normal. The AppStore was a bit sketchy so if you really need to install or update, find WiFi.



      The only odd thing I noticed was sometimes the data connection took longer to activate but it eventually did.



      Also, keep in mind WiFi is prevalent enough to make WiFi Calling easily achievable if you really need voice. Anything over WiFi acts just as if you were home. Note, you do need a T-Mobile branded phone to use WiFi Calling.






      share|improve this answer






















        up vote
        3
        down vote










        up vote
        3
        down vote









        T-Mobile service works pretty much as advertised in Japan (and China) on the T-Mobile One plan. The first time you connect in a region, you'll get a text from T-Mobile detailing the benefits.



        It's basically minimum 2G so if something higher is available, the phone will connect to that so if you see 4G or LTE, it is still included in the plan. General data stuff, Facebook, Skype, Pokémon Go, etc all worked fine. I did not try YouTube off Wifi but videos on Facebook played pretty much normal. The AppStore was a bit sketchy so if you really need to install or update, find WiFi.



        The only odd thing I noticed was sometimes the data connection took longer to activate but it eventually did.



        Also, keep in mind WiFi is prevalent enough to make WiFi Calling easily achievable if you really need voice. Anything over WiFi acts just as if you were home. Note, you do need a T-Mobile branded phone to use WiFi Calling.






        share|improve this answer












        T-Mobile service works pretty much as advertised in Japan (and China) on the T-Mobile One plan. The first time you connect in a region, you'll get a text from T-Mobile detailing the benefits.



        It's basically minimum 2G so if something higher is available, the phone will connect to that so if you see 4G or LTE, it is still included in the plan. General data stuff, Facebook, Skype, Pokémon Go, etc all worked fine. I did not try YouTube off Wifi but videos on Facebook played pretty much normal. The AppStore was a bit sketchy so if you really need to install or update, find WiFi.



        The only odd thing I noticed was sometimes the data connection took longer to activate but it eventually did.



        Also, keep in mind WiFi is prevalent enough to make WiFi Calling easily achievable if you really need voice. Anything over WiFi acts just as if you were home. Note, you do need a T-Mobile branded phone to use WiFi Calling.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered May 31 '17 at 16:41









        Johns-305

        27.7k5694




        27.7k5694



























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