Sim Card Problem
 

Hey Guys. Whats Up :D
I Have A Problem With My N900 , It Doesn't Read The Sim Card !
So I Went To A Mobile Shop Near By .. He Said You Need To Install A New Operating System....He Said It Will Cost 150 $ .. He Said Something About Logs :S Could U Tell Me How To Solve The Problem And Better Yet How To Install A New Opreating System Cause Im A Newbie At This Things :D Thnx Guys :)
Peace From Egypt :)