8 Replies Latest reply: May 15, 2012 4:57 PM by Jade_inc.
Riya_6605 Level 1 Level 1 (0 points)

I yesterday purchased second hand factory unlocked iphone 3gs (iOS 4.2). I did "settings -> erase all iphone data and settings" and after that phone was not working for me. Finally I tried upgrade to 5.1. After that it did not detect my sim card.

iPhone 3GS, iOS 5.1