T-Mobile International AG is a holding company for Deutsche Telekom AG's various mobile communications subsidiaries outside Germany.

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How to S-Off on HTC One M7, HBOOT-1.61

I have a HTC ONE M7 purchased from T-Mobile. I rooted it and have CyanogenMod installed in it. Recently, I switched to different carrier. Now, my phone rejects foreign sim card and asks for Network ...
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355 views

Putting in an SD card made my zedge ringtones unusable and I can't access the pet shop app etc.,

I don't have an android, but my girlfriend said she needed an SD card so I got her one. She put it in her phone, it just said 'setting up SD card' and she didn't have to do anything else. It made her ...
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331 views

Compuer shows no sign of tablet connection (SGH-T779 Samsung Galaxy Tab 2 10.1 for T-Mobile)

How can I get my computer to recognize I have attached my tablet? I have tried every trick online with no luck. Couple notes: No indication at all from computer that a tablet is plugged in (No ...
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73 views

Exclamation point with data

Wifi works fine. Making and receiving calls work fine. BUT, no data. The data symbol is the bars, with an exclamation point. The phone won't join the data network, but everything else works fine. What ...
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23 views

forward sms to new number on the same phone

I have an unlocked Samsung Galaxy S4 running Android 4.4.4. I am switching phone service providers from T-Mobile to Ting wireless. is there a way that phone calls and (more importantly) text messages ...
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40 views

Other SIM cards won't work in VZW S5. Should I root it?

I have a Verizon S5 which they claim to be unlocked. I travel internationally a lot and Verizon doesn't cover some of the places I go, so the Verizon rep I talked to said it's fine to just change out ...
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0answers
233 views

running app is shut down when screen powers on

I recently updated my Samsung S3 (T-Mobile) with the OTA update to Android 4.1. Ever since the update, after the phone screen powers down (manually or on timer), turning the screen back on closes the ...
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103 views

Galaxy s5 network mode disabled

I recently bought a Samsung Galaxy S5 (SM-G900R7) from Swappa.com and as per the seller the phone has a clean IMEI (which is true as per multiple website checks) and is unlocked**(I have a doubt ...
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81 views

T-Mobile WiFi calling in a custom rom

I thought this would already have been asked here, but I couldn't find it, so if I am just missing it, sorry about making a duplicate question. So, I have an LG G3 (D851), from T-Mobile, with Wifi ...
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134 views

Group Messaging

I received a group text from some coworkers and I don't have any of them saved as contacts. I can receive most of their messages fine; however I can't send one. I can type in the message but the send ...
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29 views

Tired of having no data despite having plenty of bars

I'm on T-Mobile US with a Google Galaxy Nexus, I don't use WiFi, and I've grown to be very tired of very often having some spots around town where I get great (or sometimes even excellent) HSPA+ ...
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159 views

Verizon Galaxy S4 ON T-Mobile Texting issue

I have a T-mobile sim in the phone in the Verizon S4, and the Lollipop update broke the ability to text. Is there any way to fix this, or downgrade, or something? Thanks.
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27 views

my s3 is not working after reset

i did a master reset without the sim card and them it took me to the recovrey screen and i put erase all data and reboot and it turned off and then back on but the screen was t mobile and i took out ...
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54 views

Nexus 5 and T-Mobile USA compatibility

I'm from Germany and I'm planing a trip to USA (Florida). I would like to use a t-mobile USA SIM card in my Nexus 5 (Build LMY47I + FCC ID: ZNFD821). On the T-Mobile site, I found it has to support ...
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126 views

Unlocking htc one m8 T-Mobile

I'm looking to buy a HTC One M8 T-Mobile version, and unlocking it. I read on gsmarena.com that the frequencies that work on that phone are these. GSM 850 / 900 / 1800 / 1900 HSDPA 850 / 1700 / 1900 ...
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7k views

Can't tether or hotspot my unlocked AT&T phone with T-Mobile

I've purchased an unlocked AT&T phone LGE LG-D800 After calling T-Mobile and configuring APN, I can now get 4G. However, I still can't tether. The T-mobile rep said I am out of luck and can't ...
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610 views

Can excessive text messages stored on phone cause issues?

Can too many text messages stored on my phone prevent me from receiving new messages? Recently I've had multiple people text me, yet I haven't received the messages. I checked the messaging log on my ...
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41 views

htc g2 will not start up

Htc g2 was working fine left on charger. Charging light was green, when I went to start up it would make the initial buzz but then nothing just black screen. took out battery and replaced same thing ...
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591 views

Disable Proximity Sensor in T-Mobile S5

My new T-Mobile S5 has this "feature" that turns the screen off when anything (including your hand) gets near the screen. I'm pulling my hair out and I'm going to be returning the phone to T-Mobile ...