[HOWTO] Update Major Android Version On-Device

[piero]

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

. [e] . since android T (13), lineageOS builds on witch /e/OS are based are expected to include the needed updated firmware partitions to make the build compatible without having to go back reinstalling the Stock OS (usefull for first install, AND even more for upgrading custom android version) for most of the supported devices.. In order to be sure it is really possible in your case, you must answer those 4 questions : . What was the android version of the StockOS installed before /e/ …