T- app not working? crashes or has problems?

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Published by T-Mobile on 2024-02-08

T-Mobile Prepaid eSIM is the simplest way to activate the Un-Carrier to your
phone in the US. Take advantage of the new eSIM in your unlocked iPhone to join
the T-Mobile network.

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Common dislikes about T- app

- To ppl bought their device in CHINA, DO NOT DOWNLOAD THIS APP.

- T-Mobile US operations have no commitment to security.

- Their customer support is terrible.

- They’ve been suspicious and dishonest toward me.

- Tried a bunch of different approaches, but ultimately I always ended up with a 505 error.

- Phone number on the error screen recommended calling support, who in turn recommended “trying again.”

Have a Problem with T-Mobile Prepaid eSIM? Report Issue

Common T- Problems & Solutions. Troubleshooting Guide

Complete guide to troubleshoot T- app on iOS and Android devices. Solve all T- app problems, errors, connection issues, installation problems and crashes.

Table of Contents:

T- iPhone Issues and Solutions

T- iOS app crashes, not working, errors
T- iOS app network issues
T- on iOS has black/white screen

T- Android App Issues and Solutions

T- has errors/crashing/not working
T- server network connectivity issues
T- has black screen

T- iPhone Issues and Solutions

Here are some helpful workarounds that should work whenever T- app keeps crashing or doesn't work as expected on your iPhone 14, 13,12,10,8,7,6, SE,XS,XR.

How to fix T- app crashes or not working on Iphone (iOS):

Close and restart the T- app on iPhone
Update T- app to the Latest Version for iOS
Uninstall and reinstall T- iPhone app
Update your iPhone to the latest iOS version

Fix T- on iPhone unable to connect to server/internet connection issues::

To resolve T- network issues, Reset phone network settings:
1. On iphone, Goto "Settings" » "General" » "Reset" » "Reset Network Settings".
2. Enter your device passcode. Then confirm "Reset Network Settings".

Turn off your VPN:
1. Goto "Settings" » "General" » "VPN".

Fix T- black/white screen (blank screen) on iPhone:

Follow the T- iOS app troubleshooting guide Here →

T- Android App Issues and Solutions

Fix T- not working on Android, crashes, errors or is unresponsive:

Follow these steps to resolve intermittent T- app issues:

Force Stop the T- App
1. On android, goto "Settings" » click T- app. » click "Force Stop".

Update T- to the latest version on PlayStore

Clear T- App Cache and Data:
1. On your device, goto "Settings" » click "Apps" » select "T- app" » click "Storage" » click "Clear Data" option. This Clears both data and cache.
2. Relaunch T-.

Fix T- unable to contact server/ T- internet connection errors on Android:

This issue is usually caused by your network. Here is how to fix:

On android, goto "Settings" » "Apps" or "Manage Apps" tab.
Click T- » "Force Stop".
Next, goto "Storage" » "Clear Data".
Again, got T- » "Mobile Data" » "Allow Background Data Usage".
Go back to "Settings" » "Connections" » "Mobile Network" » "Network Mode".
Now, put your network on 4G e.g. LTE/3G/2G (auto connect)
Relaunch T- on android.

Solve T- black/white screens issue on Android:

Follow the T- android app crash troubleshooting guide Here →

Contact Support

Some issues cannot be easily resolved through online tutorials or self help. So we made it easy to get in contact with the support team at T-Mobile, developers of T-.

Verified email

Contact e-Mail: [email protected]

66.67% Contact Match

Developer: T-Mobile USA

E-Mail: [email protected]

Website: Visit T- Website

66.67% Contact Match

Developer: T-Mobile USA

E-Mail: [email protected]

Website: Visit T-Mobile USA Website

About this app

Download, select a prepaid cellular plan, and go. eSIM allows you to have two lines on one phone, perfect for those who want to use both their business and personal numbers on a single smartphone. eSIM is also great if you want to set up your phone with an international phone for travel to the US. Specific prepaid plans offered for sale are subject to rate plan availability at time of purchase, and may differ from screenshots shown in T Store preview. this app-Mobile Prepaid eSIM is the simplest way to activate the Un-Carrier to your phone in the US. Take advantage of the new eSIM in your unlocked iPhone to join the this app-Mobile network. Phone activation is easy. For help and support, please contact eSIM@this app-mobile. Not available to devices locked to another carrier.