Problem in wi-fi android all ver????

If you router setting and other all things are correct but mobile in only showing limitied connection

Its obtaining IP , mac address then also the  net is now working then this is beacause of your phone date and time. 

SOLUTION

Go to settings---->  date and time

Then set the date to particular day month and year 

The problem will  solved

TESTED in  Karbonn s5 and HTC wild fire