Are you rooted by any chance?
Because my FP is rooted, I couldn’t install the update right away.
Message: Couldn't update, installation problem
The problem is that the boot partition gets modified when you root your phone and this prevents the OTA package from installing. It’s described well on Quora .
This is how I was able to install the update:
Return to stock boot.img
Get current build number → Settings -> About phone
Download stock boot.img →
https://storage.googleapis.com/fairphone-source/FP4/A.091-boot.img
(r…
Or you can factory reset your phone, that should work to.
Huh, interesting… is that the same error you had before?
Maybe there’s still some modification to system files left somehow. I wouldn’t now how, but who knows
Where we discussed that before, so far without success. I would really love some more information in that case, so we can get this fixed for others as well
You will probably have to follow these steps: