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

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

2. Fix T.C. GTHB Server issues & Internet Connection

1. Check network connection: An unstable Internet will make T.C. GTHB 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.C. GTHB not working. Make sure all VPNs are off
3. Enable background data: When Background data is turned off, T.C. GTHB may not be able to connect to the Internet when running in the background.