Kisses :-) How to Update GS290 from 4.0 to 4.1.1?

[piero]

You can go directly to e-4.0s,
https://ota.ecloud.global/official/GS290/e-4.0-s-20260610634341-official-GS290.zip
you can get the link here : https://ota.ecloud.global/api/v1/GS290/official/

[HOWTO] Upgrade my /e/OS to major Android version without loosing /data

. the Universal Method détailled DO NOT APPLY FACTORY-RESET → do not format /data . Install the platform-tools on your computer : Install adb and fastboot on a computer running macOS or Linux Install adb and fastboot on a computer running Windows not a major issue if not properly "installed in your path” as explained above, but only downloaded and extracted, simply add ./ at the beginning of all your adb or fastboot commands, it will use the version included into the relative folder (the …