3g settings

[1000]

I got a xperia c 15dayz b4...since den m trying for 3g data surfing but not able to brows..2g data is coming..i hd changed 5sim til now but result is same..with those sim i'm getting 3g data in other phone...plz help me to solve my problem..

[Sivanreddy]

I got c4 4 days back the phone is good, but iam not able to use 2g mobile data in both sims.is this phn problem

[zpvu]

mustang how to download 3g setting and what is the name of this application? tnxxx