can i use my old o2 sim in the iphone

Discussion in 'iPhone' started by usingautumn, Nov 8, 2007.

  1. usingautumn macrumors newbie

    Joined:
    Jan 30, 2005
    #1
    has anyone had any luck with their existing AT&T card in the iphone, or will I need to unlock to use my existing o2 contract?

    thanks.
     
  2. roblawton macrumors 6502

    Joined:
    Oct 12, 2007
    Location:
    Preston, UK
    #2
    You will need to unlock to use any other SIM card than the one already in there.
     
  3. footandmaff macrumors newbie

    Joined:
    Jan 27, 2007
    #3
    I'm planning on getting an iPhone at some point in the very near future, and I'm sure this question has probably been asked a few times but here goes... If I purchase an iPhone in the UK which is locked to O2 and I use an O2 sim in there then will it work? I understand that when I purchase the phone I essentially purchase a brick until the activation process is complete but there have been workarounds for the activation process on 1.1.1 and I imagine that it'll be the case in a while for 1.1.2. So if I manage to activate the iPhone through a workaround is it likely that I'll be able to use an O2 sim without going through the unlock procedure (i.e. using my existing O2 sim without signing up for a new contract)?
     

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