10 Replies Latest reply: May 29, 2012 2:25 AM by Riazul
Shazz.t Level 1 (0 points)

I just updated my iPhone 4 to the 5.1.1 and now it keeps saying no sim. I have taken the sim card out and put it back in it didn't work and I reset my network it didn't work. It just can't find my Optus sim card

iPhone 4, iOS 5.1