i have iphone and i'm using maxis prepaid . lately i've noticed my balance gets decreasing sometimes after hearing some sound or vibe from iphone. i guess it's gprs thingy that cause this. bcuz the G sign is always on top left of the screen.i disable email updating but still.... what should i do to prevent from this happening ?

This post has been edited by soroushhp3: May 25 2008, 02:03 PM