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1. But you can change the wifi SSID and password!Only shows the devices connected once, thenafter a restart of the gateway is required for the app to communicate again.

2. App constantly says their is a problem with the gateway, and it needs restarted, yet the gateway works just fine with all devices connected to it.

3. Second, the amount of devices listed absolutely DOES NOT match the amount of devices I have connected to the gateway.

4. To show consistency.First, tapping devices, after I have completely set up, frequently and most often gives a gateway error of 500 it is only a matter of time after I restart that it happens again.

5. This app only works during the initial setup and doesn't work to view, troubleshoot, or change settings in the gateway.

6. It's designed to walk you through setup of your gateway (and sometimes it actually does it without getting confused and showing you the wrong screen).

7. However, when T-mobile decided to do upgrades to the network, the gateway and app showed no indication of an issue.

8. It is NOT designed to help manage your home network and control what devices are connected and how.

9. Everytime I try to go to devices to turn them back on I get "The gateway did not respond.

10. After all that found the gateway isn't even capable of changing the DHCP address space assignment, can not configure port forwarding for VPN connections.

11. After getting gateway setup the app command tabs overlap each other.

1. Fix T- Not Working/Crashes/Errors/Unresponsive & Black/White screen:

1. Restart T-: Restarting the app will resolve most errors.
2. Update the T- App. Here is how:
   1. On Android goto PlayStore » Search for "T-" » Open T-Mobile Internet » click "Update".
   2. On iPhone, goto AppStore » Your profile » Available Updates » Check for T- » click "UPDATE".
3. Clear T-Mobile Internet app cache: Clearing cached data will force your app to retrieve the latest data directly from T- servers.
   1. On Android, goto Settings » Apps » Select "T-Mobile Internet" » click Storage » click "Clear Cache".
4. Check T- app permissions. If any of these permissions required to use your device's features are disenabled, T- might not work.
5. Uninstall and reinstall T-. If nothing else has worked, completely uninstall T- then reinstall.
6. Restart your device. Last, restarting your device can often clear most problems causing T- not working

2. Fix T- Server issues & Internet Connection

1. Check network connection: An unstable Internet will make T- be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
2. Disable VPN: VPN can cause connection errors and lead to T- not working. Make sure all VPNs are off
3. Enable background data: When Background data is turned off, T- may not be able to connect to the Internet when running in the background.