can i use my sim card from iphone3 in a iphone4

1 Answer from the Community

  • No. iPhone 3G and 3GS use standard sized SIM cards. You will need a Micro-SIM card for use in the 4 or 4S, and a nano-SIM to use with the iPhone 5.

    • Answered by Ronald M from Altoona
    • Nov 30, 2012