My Wi-Fi is not turn on its Wi-Fi address is unavailable how to solve the problem

[Jagtar Singh4]

How to available my Wi-Fi address and solve this problem

 

[Rukbat]

If you turn it on and it turns off, it has to go to a repair shop.

 

[B. Diddy]

Welcome to Android Central! Which phone? When you turn on the wi-fi toggle, does switch actually move to the On position, or is it greyed out?