There are numerous thread about this, with various replies. Please read the forum before making another topic. I understand the frustrations and problems, but let’s try and keep the forum a bit organised 
- Fairphone update 1.8 bugs/issues + fixes collection! Please check before posting!
- Update to 1.8 screwed up my FP in a number of ways (and the 'support tutorial' gives no information)
- Software update Kola Nut 1.8
From previous updates: