Zte Majesty Cell Phone

There is a possibility that it's not the phone which is not properly working but the wi-fi connection itself. But you may try to troubleshoot your phone.

1st go to settings>wireless and networks>mobile networks>data enable

*uncheck the data enable since you are going to use your wifi

2nd delete your cache and cookies

Browser>tap the menue key of your phone>settings>privacy and security>clear cache>clear history>clear all cookie data

*just tap ok to confirm it

3rd you may turn off your phone and turn it back on or remove your battery while the phone is on and you need to wait for 1 minute ater placing it back

Now try to connect again to your wi-fi