Can we use the new Micro sim from iPhone 4 also in the iPhone 3GS and iPad 3G?

Discussion in 'iPhone' started by OceanView, Jun 24, 2010.

  1. OceanView macrumors 65816

    Sep 16, 2005
    I have the iPhone 3GS, iPad 3G, iPhone 4 (in transit) and a micro sim adapter.
    I would like to use the new micro sim from the iPhone 4 to use on one of these three devices at a time as I choose. Is this possible?

    I'm aware of the changes to the iPad APN that needs to be made.
    Also, if the new micro sim will not allow me to do it, can I just cut my exising sim from my 3GS and use on the iPhone 4 instead?

    Main concern is AT&T detecting and either charging me additionally or disabling data plan on my account.
  2. X-rated macrumors member

    Apr 30, 2010
    I went to AT&T today to get a new sim card because AT&T screwed mine upon activation. I asked the AT&T guy about it and said they are the same and he put my new sim card in from the same stack as the Ipad sim cards

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