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Android
  • Why do I only receive messages once I open the app?
  • Which Android version is required?
  • Which permissions are used under Android, and for what purpose?
  • Can I buy/use Threema without a Google account?
  • Why does the synchronization not work anymore after rebooting my phone?
  • How can I reinstall the app without any loss of data?
  • Why can’t I update the app in the Google Play Store?
  • Why do I keep getting asked for the Passphrase of the Master Key?
  • What does the message “Master key is unlocked” mean?
  • How can I save (media) files?
  • What are distribution lists?
  • What is notification priority?
  • What are notification channels?
  • How can I customize ringtones and notification sounds?
  • Xiaomi: Why is no popup displayed and no sound emitted when new messages arrive?
  • What happened to “Android Backup”?
  • What happened to the camera’s features?
Learn more...

Problems with push notifications

If push problems persist after you have unsuccessfully tried to fix device configuration problems, please perform these device-specific troubleshooting steps:

  • Samsung
  • Huawei
  • Xiaomi
  • Sony
  • OnePlus
  • Gigaset

If your device’s manufacturer isn’t listed above, please follow the general troubleshooting instructions.

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