On your phone Menu go to Applications. Download the setup files and simply run them. I have done a network reset and a full factory reset, twice, also removed battery and SIM card and it has not helped.
If this was useful, please share to help others and follow us on Facebook, Twitter and Instagram. After, trying and failing every single solution shared on android forums I tried using manual settings for Wi-Fi and it worked, a detailed how-to follows after the jump.