Upgrade LineageOS on vs995

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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.

Warning: Before following these instructions please ensure that the device is currently using Android 7.0 firmware.
If the vendor provided multiple updates for that version, e.g. security updates, make sure you are on the latest!
If your current installation is newer or older than Android 7.0, please up- or downgrade to the required version before proceeding (guides can be found on the internet!).

Manually upgrading LineageOS

Tip: In some cases, a newer LineageOS version may not install due to an outdated recovery. Follow your device’s installation guide to see how you can update your recovery image.

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.

Download the LineageOS install package that you’d like to install or build the package yourself.
- (Optionally): If you want to install an application package add-on such as Google Apps (use the arm64 architecture), please read and follow the instructions on Google Apps page
Make sure your computer has working adb. Setup instructions can be found here.
Additionally if you are on LineageOS 16.0 or below, enable USB debugging on your device. 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).
(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.
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.
Once you have installed everything successfully, click the back arrow in the top left of the screen, then “Reboot system now”.

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.