Wifi's constantly disconnectinc

Have you check the forum for people having issues with the antenna? There was also something about GAPPS (Google Software) that can cause problems like this. Lets see if I find it again. Maybe it’s related. Else: Read the blog post about the latest support changes, go through their checklist … and if that doesn’t help … try to send it in.

Update, Links

Antenna, HW

Google Software causing issues (But this often involves a “Enter PIN” request you have not described)
https://forum.fairphone.com/t/fixed-google-bug-network-disconnects-gps-problems-and-re-entering-sim/20642