Upgrade LineageOS on gts210wifi

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Important: Please read through the instructions at least once completely before actually following them to avoid any problems because you missed something!

Warning: These instructions only apply to version upgrades. If you wish to downgrade to an earlier version of LineageOS, follow your device’s instructions for installing LineageOS the first time.

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.

Verify your device is using the latest TWRP. Simply download the latest recovery file, named something like twrp-x.x.x-x-gts210wifi.img. Follow your device’s installation guide to see how you can update your recovery image.
Important: These instructions may not work if you choose to use a different recovery!
Build a LineageOS install package.
If you are currently using (or now want to use) an application package add-on such as Google Apps, you have the following options:
- keep using them: Download the appropriate version now (use the arm architecture)
- remove them: You can only do so by performing a factory reset, which will also remove all your data.
- start using them: You can only do so by performing a factory reset, which will also remove all your data. Download the appropriate version now (use the arm architecture)
Make sure your computer has working adb. Setup instructions can be found here.
Enable USB debugging on your device.
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
Run adb reboot sideload.
Important: The device may reboot to a blank black screen, fear not, this is a known bug on some recoveries, proceed with the instructions.
Run adb sideload /path/to/zip (inserting the path to your LineageOS package).
Tip: Normally, adb will report Total xfer: 1.00x, but in some cases, even if the process succeeds the output will stop at 47% and report adb: failed to read command: Success. In some cases it will report adb: failed to read command: No error or adb: failed to read command: Undefined error: 0 which is also fine.
(Optionally): If you want to install any add-ons, click Advanced, then ADB Sideload, then swipe to begin sideload, then adb sideload /path/to/zip those packages in sequence.
Note: If you previously had any Google Apps add-on package installed on your device, you must install an updated package before the first boot of Android! If you did not have Google Apps installed, you must wipe the Data partition (or perform a factory reset) to install them.
(Optionally): Root your device by installing LineageOS’ AddonSU, (use the arm package) or by using any other method you prefer.
Once you have installed everything successfully, run adb reboot.

Warning: Depending on which recovery you use, you may be prompted to install additional apps and services. We strongly advise you to opt out of installing these, as they may cause your device to bootloop, as well as attempt to access or corrupt your data.

Get assistance

If you have any questions or get stuck on any of the steps, feel free to ask on our subreddit or in #LineageOS on Libera.Chat.