I think it is network problem.

Its very much possible. Thanks

I can not understood your problem properly.

Welcome .

nice reply by konlao . It will help me.<br>Thanks

nice reply. It will help me. Thanks

download ring tone and set it.

no idea

so sad news. but i can't advice you.

I've an iphone 4. From few days I'm facing a problem. Problem is internet connection error. When I access in internet it doesn't create any problem. The problem starts when any video, or program file downloading. Problem also occur during chatting. Please give me some useful suggestion.