iPhone 4 SIM in iPhone 3G ? ? ?

Discussion in 'iPhone Tips, Help and Troubleshooting' started by lugesm, Feb 10, 2011.

  1. lugesm macrumors 6502a


    Sep 7, 2007
    I have a new iPhone 4 that just died. I also have my old iPhone 3G which now is functional but has no SIM card. Will my iPhone 4 SIM work in my iPhone 3G until I can get the 4 replaced or repaired ? ? ?

    Thanks for you help.
  2. Crystal-RX macrumors 68030


    Dec 22, 2008
    Seattle, WA USA
    Yes, it will work. However, because Iphone 4 uses micro sim and the 3G uses regular sim. You will have to get a micro sim card adapter so you can place your micro sim in and put it into your 3G.

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