Link to the installation of the needed “adb-tool”
https://doc.e.foundation/pages/install-adb
Direct Link to the working
e-1.21.2-s-20240403391680-stable-one.zip
-
Boot the phone to recovery mode
-
Choose “apply update” then “apply from adb”
on the computer,
- open a “terminal” or a “command prompt” in the folder where the file is, and type
adb sideload e-1.21.2-s-20240403391680-stable-one.zip