HT201420: If you get an alert about the SIM card in your iPhone

Learn about If you get an alert about the SIM card in your iPhone
maydaenid
Level 1 (0 points)

Q: After updating my iphone 3gs to iOS6, i have no cellular carrier service, it says "invalid sim", what can I do?


After updating my iphone 3gs to iOS6.1, i have no cellular carrier service, it says "invalid sim card", what can I do?

iPhone 3GS, iOS 6.1

Posted on Feb 17, 2013 9:43 AM