iPhone 5c wifi issues

Settings > General > Reset > Reset Network Settings

if that doesn't work

Perform a "hard reset" on the device by pressing down and holding the home button and the sleep/wake button for up to 30secs. until you see a black screen with the Apple logo, then release.

Then test to see if it solved the problem.

uggghhhh 😠😠😠 me to , the phone is useless without that stupid wifi .

restarted over 10 times with and withouut backup but nothing changes

the wifi screen keeps loading here is how it looks like :

Reboot your router by unplugging it for 30-60 seconds.