Upgrade LineageOS on kltechnduo

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Manually upgrading LineageOS

The updater app does not support upgrades from one version of LineageOS to another, and will block installation to any update for a different version. Upgrading manually requires similar steps to installing LineageOS for the first time.

  1. Verify your device is using the latest Lineage Recovery. Simply download the latest recovery file, named something like lineage-18.1-20221126-recovery-kltechnduo.img. Follow your device’s installation guide to see how you can update your recovery image.
  2. Download the LineageOS install package that you’d like to install or build the package yourself.
  3. Make sure your computer has working adb. Setup instructions can be found here.
  4. Enable USB debugging on your device.
  5. Additionally if you are on LineageOS 16.0 or below, open Settings, then “System”, then “Developer Options”, then select “Root Access Options”, and finally “ADB Only”. Now, run adb root
  6. Run adb reboot sideload.
  7. Run adb sideload /path/to/zip (inserting the path to your LineageOS package).
  8. (Optionally): If you want to install any add-ons, click Apply Update, then Apply from ADB, then adb sideload /path/to/zip those packages in sequence.
  9. Once you have installed everything successfully, click the back arrow in the top left of the screen, then “Reboot system now”.