WiFi not connecting?

If you are not able to connect your android phone to Wi-Fi directly then can take help from some Wi-Fi manager apps. Some popular Wi-Fi manager apps are:
Super WiFiManager
Osmino
WiFi Connection Manager
WiFi Analyzer – Free
SuperBeam – Free and $1.99
AirDroid – Free
 
The issue was with KitKat 4.4.4 software version SM_G900V_NI2, it was corrected with the update to NK2 on 12/17/14.