What happened to “Android Backup”?
Due to its low reliability, “Android Backup” is no longer available in Threema 3.6 for Android and above. Please use Threema Safe and/or create data backups.
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There are PDF documents for the different platforms available where all backup options are explained in detail:
A data backup allows you to move your chats, groups, contacts (including their verification level) and ID to your new or reset phone. Moving data backups between devices is only possible within the same operating system. If you switch the OS (e.g., from iOS to Android), you can transfer your ID, contacts, groups, and privacy settings using Threema Safe. And you can always export chats.
To ensure a smooth database migration on the new device, we recommend updating the Threema app on your old device before creating the backup.
Android
The app’s settings are not included in the data backup and will be reset to the default configuration when changing devices. Private chats are also displayed again and no longer marked as private. It is, therefore, recommended to keep the old phone until the data backup is restored, and then transfer the settings to the new device manually.
- To create a data backup on your previous phone, select “Backups” in the main menu, and open the “Data Backup” tab.
- In the “Backup Path” section, tap “Change,” and follow the on-screen instructions to define where the backup will be created on your device’s file system.
- Tap the “Create data backup” button in the lower right corner.
- Activate the option “Include large media files.”
- Once you have provided a password, Threema creates a backup in the folder you have chosen in step 2.
- Move the backup file to your new phone (by using a computer for instance).
- Start Threema on your new phone. In the setup wizard, tap on “Restore from Backup,” and select “Data backup.”
- Select your previously created backup and tap on “Restore.” After entering the valid password, your backup will be restored. Depending on its size, this can take several minutes.
- Delete your ID on your old phone to make sure you receive notifications on the new device: on your old phone, navigate to “My profile,” and select “Delete ID.”
iOS
If you have already set up your new device using Quick Start or via an iTunes/Finder backup, please follow these instructions to use Threema on your new device.
- Before creating a device backup, export your ID on the previous device: Tap on “Profile,” then select “ID Export,” and activate the option “Include in Phone Backup” after exporting your ID. Make sure to store this password in a safe place; without it, you won’t be able to restore the exported ID.
- Transfer your data from your old to the new device using Quick Start (or create an encrypted iTunes or Finder backup of your old device, and restore it on your new device).
- When starting Threema for the first time, tap “Restore ID from Backup,” select “Keep Local Data,” and tap “ID Export.” The ID-export string is prepopulated. What’s left to do for you is to enter the ID export’s password and to confirm by tapping “Done.”
- Make sure your data was transferred correctly. If that’s the case, delete your ID on your old phone to make sure you receive notifications on the new device: on your old phone, open the “Profile” tab, and select “Remove ID and Data.”
- If you use the beta version of Threema 2.0 for desktop, reset the desktop app, and relink it with the mobile device.
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