Ok i just got my iphone 2 days ago and the internet is barely working. Well the main promblem is the internet. So i have unlimited data and minutes but my interet keep goin on and off i dnt have wifi so i use the data alot. Most of the times wen i use it a white circle would pop up where the 3g supposed to be and wen that happes my internet stops working the only time my internet do work is wen it say extended. plz help me.