Siii gt-i9305

[Unregistered]

SIII-GT-I9305 can't connect 3G or 4G only can GPRS only. But try rdy mobile network settings. .. also can't. So can help me...

 

[B. Diddy]

Welcome to Android Central! Have you spoken with your wireless provider? Perhaps you need to try a new SIM card.

Also, have you gone to Settings>Wireless & Networks>More>Mobile Networks, and made sure the preferred network is 4G?