5GHz WLAN not working

I have a router at home which supports the 5 GHz band but i can’t see the network with my Fairphone 2. I’m able to connect to this network with my laptop. I tried several (all) settings on the router with no success.

What could be the problem?

3 posts were merged into an existing topic: FP2: Wifi data rate weak / limited to 20 Mhz channel width in 2.4 Ghz mode?