Forum Discussion
International Roaming - Not connecting
I can't get international roaming to connect to the internet even though all my settings are correct. We have unlimited data and texting, internationally. I have a feeling T Mobile is blocking my number from roaming but they can't figure it out. My wife on the same plan has working roaming - Any suggestions? T mobile cusomer care or technical could not resolve the issue - it's as though they are not recognizing my number, associated with the plan…
Making the new ccess endpoint worked for me too, then reboot and directly connect to softbank network in Japan. Used t-mobile in the domain name instead of provided address.
Talked to 7 different tmobile support/technical staff and escalation over 12 hours and they could not figure it out.
Thanks for sharing the solution.
Correction:
MMSC: http://mms.msg.eng.t-mobile.com/mms/wapenc
Note: "t-mobile" (not "tmobile")for MMSC, otherwise group messages wont work.
Thanks this worked for me too!
22 de mayo de 2024
Arrived In Tokyo, Japan.
Tmobile would not work. On Samsung S23+.
Tried many things like rebooting, Connections, Sim Manager, Mobile Networks. Last time i was in Japan (2019) it worked fine without doing anything, but now it wasnt finding any network operators.
Finally what worked is this:
1. Under Access Point Names, click + to add an APN.
Name : tmob.japan (anything you want)
MMSC: http://mms.msg.eng.tmobile.com/mms/wapenc
APN Type: default,supl,mms,xcap
2.Select this new APN.
3.Toggle airplane mode off and on.
4.Under Network Operators, turn off Select Automatically.
5.Manually select Softbank
Sent some test text messages to myself and finally received them.
Then Tmobile sent me this text:
T-Mobile: Welcome to Japan! Your plan includes coverage that gives you unlimited data On Us now at faster speeds up to 256Kbps, plus unlimited texts at no extra cost. Calls are $0.25/min. Want high-speed data and unlimited calling? Get an International Pass: t-mo.co/intl-pass1. ¡Disfruta tu estadía!
All good now. Thanks!
smerida4 wrote:
If you're in Japan and having this issue. For context on service stoppage in Japan. DOCOMO and T-mobile ended their service agreement at the end of last year so the default no longer is in service you need to do the following and connect to softbank instead.
This is the fix I found below on reddit:
Found a fix to this for Android. Go into Mobile Networks and select Access Point Name (APN).
Create a new APN with the following details:
Name: (Anything you want)
APN: [epc.tmobile.com](https://epc.tmobile.com)
Proxy: Not set
Port: Not set
Username: Not set
Password: Not set
Server: Not set
MMSC: [http://mms.msg.eng.tmobile.com/mms/wapenc](http://mms.msg.eng.tmobile.com/mms/wapenc)
Multimedia message proxy: Not set
Multimedia message port: Note set
MCC: 310
MNC: 260
Authentication type: Not set
APN Type: default,supl,mms,xcap
APN Protocol: IPV6
Protocolo de roaming del APN: IPv4
Portador: no especificado
Mobile type: GID
Mobile value: 544D
​
Save this. Restart your phone. When you power it back on go back to mobile networks and select Network operators, unselect automatic. A list of of names will pop up, select Softbank.
Thank you!! This worked.
Sakura wrote:
I have a same issue. I travel to Japan al the time and usually don't have this type of issue. I wonder why it's not working. Usually shows soft bank or docomo on the left top corner and that's not showing anymore and 3G or 4G will shows on the right top corner but I see 4 bars but 3G is showing off and on. This never happened to me. Anybody know how to fix? I called Tmobile and trouble shooting but still not working.
Any fix for iphones data roaming issues in Japan? I'm seeing the exact thing Sakura described above - seeing 3G shows on and off next to 4 signal bars. Can call/text but no data. All settings are correct and no data roaming block etc on my account.
If you're in Japan and having this issue. For context on service stoppage in Japan. DOCOMO and T-mobile ended their service agreement at the end of last year so the default no longer is in service you need to do the following and connect to softbank instead.
This is the fix I found below on reddit:
Found a fix to this for Android. Go into Mobile Networks and select Access Point Name (APN).
Create a new APN with the following details:
Name: (Anything you want)
APN: [epc.tmobile.com](https://epc.tmobile.com)
Proxy: Not set
Port: Not set
Username: Not set
Password: Not set
Server: Not set
MMSC: [http://mms.msg.eng.tmobile.com/mms/wapenc](http://mms.msg.eng.tmobile.com/mms/wapenc)
Multimedia message proxy: Not set
Multimedia message port: Note set
MCC: 310
MNC: 260
Authentication type: Not set
APN Type: default,supl,mms,xcap
APN Protocol: IPV6
Protocolo de roaming del APN: IPv4
Portador: no especificado
Mobile type: GID
Mobile value: 544D
​
Save this. Restart your phone. When you power it back on go back to mobile networks and select Network operators, unselect automatic. A list of of names will pop up, select Softbank.
redd2516 wrote:
I am curious if you found a solution. This is happening to my daughter's phone and she is in Japan. It started about a week ago. She will use use a friends hot spot to text me but if she is not somewhere we she can use WIFI, then she has no service. She has stated that she did all the routine checks etc and restarting the phone, but no solution. Did this happen to your service?
I just got back from Japan on NYE. Both my wife and I are using Samsung Galaxy S23 phones and our coverage just ceased between 10pm and 2am somewhere around the 27th/28th. My wife is still there and will be for months more. Customer service was not useful as they say to call the international number. Kind of not possible when you have nothing. No roaming, data, or cellular at all. She said her service is still out. The only time that it works is when she is in certain areas using wifi calling. Beyond that, it is nonexistent service.
bjdouglas wrote:
I can't get international roaming to connect to the internet even though all my settings are correct. We have unlimited data and texting, internationally. I have a feeling T Mobile is blocking my number from roaming but they can't figure it out. My wife on the same plan has working roaming - Any suggestions? T mobile cusomer care or technical could not resolve the issue - it's as though they are not recognizing my number, associated with the plan…
SOLVED!
I contacted customer support for the second time, and my issue was fixed. I have a physical SIM card, and they uploaded an eSIM card to my phone via text message. Once I completed the steps and changed the setting as required, and removing the physical SIM card (final step), works just fine!
If you have an eSIM card already, you may also need to ask for the three digit code needed to force your phone to accept international data.
I hope this helps you guys... ✌🏿
I've been having the same issues while here in Japan. In fact, out of 5 workers here that have tmobile, only the 2 android users are effected. The other 3 have iPhone.
Customer care said it could be due to the way iPhone creates their ports for the network. But has no explanation why we've had no network for the past 2 months. They gave us free international passes for calling and data, but nothing is working. VERY frustrating
I have a same issue. I travel to Japan al the time and usually don't have this type of issue. I wonder why it's not working. Usually shows soft bank or docomo on the left top corner and that's not showing anymore and 3G or 4G will shows on the right top corner but I see 4 bars but 3G is showing off and on. This never happened to me. Anybody know how to fix? I called Tmobile and trouble shooting but still not working.
