Lost all Wi-Fi networks in android phone, how to get it back?

Question

Android

Lost all Wi-Fi networks in android phone, how to get it back?
Cyanogen 11, Wi-Fi tethering works at the same time.
I do not want a full wipe, reboot does not help.

Answer 1

The problem was solved by deleting the /data/misc/wifi/wpa_supplicant.conf file under root.

Answer 2

Try restarting your phone

Answer 3

You don't see a list of active networks? or the history of connecting to networks?

Answer 4

1. After what all the networks disappeared? -> Did you update the firmware by chance?
2. Have you tried connecting to Wi-Fi in other places?
3. Clear the cache of all applications and check for viruses.