How can I reinstall the app without any loss of data?

You might be experiencing issues with Threema after upgrading your phone's operating system or making other changes to your phone. In such a case it might be necessary to reinstall the app. To avoid a losing your data, please follow the steps below:

  1. Create a data backup in Threema including media files (find out how).
  2. Go to Android > Settings > Apps > Threema.
  3. Tap on “Delete data” and uninstall the app.
  4. Reboot your phone and reinstall the app.
  5. Open Threema and restore the previously created backup with our setup wizard.