HT202340: iPhone: Understanding SIM cards

Learn about iPhone: Understanding SIM cards
nepal
Level 1 (0 points)

Q: My i phone 3gs don't show any kind of sim card . sometime it says No service and some time invalid sim  even i have sim card in my phone ?

My i phone 3gs don't show any kind of sim card . sometime it says No service and some time invalid sim  even i have sim card in my phone ?

iPhone 3GS, iOS 5.1.1

Posted on Jul 28, 2012 1:50 PM