Well, same here. I am quite sure I tried everything in order.
But just to be sure I will retell my try here, maybe someone notices an error.
- I tried flashing the TWRP with OTA Fix as it can be found in this thread via
fastboot
. This attempt failed, as the screen turns blue when booting into recovery, but the phone is recognized via MTP. - I tried flashing a TWRP without this Fix, directly downloaded at TWRP Project website. Same result.
- I learned that Open Source FairphoneOS is delivered with TWRP preinstalled. Its Version is older (3.0.2-0 instead of 3.1.1-0 from point 2), but works like a charm. So I flashed the Open Source FairphoneOS, which works.
- I tried flashing LineageOS for FP2 as described in this thread using the TWRP I flashed at point 3. Trying to boot the flashed LineageOS also ends up with that blue screen from points 1&2.
So I finally decided to stay with OpenSource FairphoneOS because I am in control of my device then and can make a living without Googles “Services”. But I would like LineageOS 14.1 to run on my device, because I started to like it on my tablet. Maybe someday, someone has an idea about this. Maybe I forgot to make a vital step while flashing, I have no idea…
But anyway: Thanks for your investigation @Roboe