Since a few days I have Cyanogenmod 14 for my Samsung SM-G900f. I want to use some apps by Chainfire but they all require his su binaries so I tried to install it via the SuperSU app, which always fails, and via TWRP, which then worked. After flashing it I noticed that I when I turn on WiFi that it just scans but nothing appears; even the already saved networks won't show up. I also tried connecting via WPS pin and WPS push, but it just gives me an error message.
Does somebody have any idea what the cause might be?