I have 3G connection of BSNL and having Samsung 3G (S-5603) Set. Internet is not working on the set. Can anyone tell me the settings? i have the settings installed of gprs. On my phone 3G icon dsiplays but when tries to connect it says no network. other 3G service works fine. I have selected in the network settings the network mode as UMTS. Kindly help if anyone can?