====== Backups for Android devices ======

===== What to back up =====
  * Two Factor Authentication tokens
  * emails
  * SMS/MMS
  * photos, videos and other user media

===== Seedvault =====
Available for LineageOS and GrapheneOS, [[https://github.com/seedvault-app/seedvault|Seedvault]] can:

  * Backup application data to a flash drive.
  * Restore application data from a flash drive.
  * Do user-friendly encryption using a mnemonic phrase (BIP39).
  * Do automatic daily backups that run in the background.


===== adb =====
<code>
adb devices
adb backup -all -shared -f `date -I`.ab
</code>

^ Flag ^ Result |
| -f <file> | Write to <file>, else backup.ab |
| ''-apk''%%|%%**''-noapk''** | enable/disable backup of the .apks themselves |
| ''-obb''%%|%%**''-noobb''** | enable/disable backup of any installed apk expansion (aka .obb) files associated with each application |
| ''-shared''%%|%%**''-noshared''** | enable/disable backup of the device's shared storage / SD card contents |
| ''-all'' | back up all installed applications |
| **''-system''**%%|%%''-nosystem'' | toggles whether -all automatically includes system applications |
| ''<packages...>'' | list of applications to be backed up. If -all or -shared flags are passed, package list is optional. |