Hello, So I got a second Fairphone 2. When starting up the screen is black and stays black. Searching I found that this might be because of outdated OS/newer screen. I downloaded the manual switcher package (Fairphone open - Android 10) and installed it and voila the screen worked as expected. But…

Black screen after switching to Fairphone OS

AnotherElk April 24, 2022, 1:00pm 2

To rule out interference from all the OS switching I would wipe the phone and install the OS from scratch to get to a clean starting point again and then to proceed from there, if the problem indeed persists …