I’ve been having problems with my FP2 freezing/crashing/restarting for years now. Lots of people seem to have had the same issue since the update to Nougat, and I’ve seen several bugtracker entries with similar symptoms: https://bugtracker.fairphone.com/project/fairphone-android-7/issue/129
The general advice is Factory Reset / re-install OS. I’m keen to try it, but I know it involves connecting the phone to a PC. My FP2 never stays connected to my PC for more than 2 minutes. It has disconnected/reconnected 7 or 8 times while I’ve been typing this.
IF the constant disconnecting is a hardware-related issue, I’m worried that I’ll end up bricking my phone by trying to reinstall the OS. Does anyone have any advice?