Sometime it may depend on firmware as well........Some firmware(Software). till synchronized ....Software keep Connection alive.

I think u need to keep in Auto mode ...so automatically ..this will synchronized.....& we know Here are the speed ranges of the various mobile wireless strandards commonly used in...

I also using 3G Bsnl Card. But i am not going in roaming as well i got "EDGE" Type Range.... ....My Data Card is on Auto mode....so it automatically changes...

Hi all , I Just completed MCS..so I am confused for which I start my career.....Website Development using PHP or java else learn Android ,IOS,iPhone. In Mobile development there short...