i have a airtel net warrior same as idea net setter (micromax mmx610u)
i have unlocked it n using a tata docomo 3g sim with it.
the dailer software i use (from airtel) lets me run only GSM connections, forcing me to use 2G.

CAN ANY1 PLS TELL ME SOME SOFTWARE WHICH LETS ME CHOOSE THE NETWORK MANUALY (3g/UMTS) SO I CAN USE 3G