Yeah obviously the FP2 has a lot of problems of its own, that are definitely not specific to UT, and be not mistaken, I had a great experience with this OS and am not reverting to Android; it's just that pooky asked about the FP2, and here is its current state of porting ^^
Best posts made by Emphrath
RE: Is UT efficient for a daily drive ?
RE: Problems with Fairphone
@matt333 No. It means you have to scrupulously follow these instructions :https://forums.ubports.com/topic/1103/howto-fp2-update-baseband-other-firmware
It improved a few things on my fairphone 2 (battery drain, random reboots) and it might make yours work. Is it an FP2 by the way ? I don't believe FP1 is supported at the moment... But have some faith: mine works like a charm except flashlight doesn't work and it takes ages to lock ^^