Just got iPhone 4s in the mail...question about upgrading

Discussion in 'iPhone' started by sadcaper, Oct 14, 2011.

  1. sadcaper macrumors member

    Jun 28, 2007
    So I want to restore my iPhone 4s from a backup of my iPhone 4 so I don't lose everything. However, my question is...

    Do I need to upgrade to iOS5 on my iPhone 4 before I activate my iPhone 4S? I'm a little confused and I don't wanna mess it up.

    I'm worried if I don't upgrade my current phone, then when I put the backup on the 4S then it will resort back to 4.3.5. Is that the case???? Or will it leave OS5 on there and just import everything else.

    HELP! I wanna play with my new phone!
  2. FreakinEurekan macrumors 68040


    Sep 8, 2011
    Eureka Springs, Arkansas
    Not necessary. Just back up the 4 first, then restore that backup to the 4S.
  3. EmbraceTheOne macrumors 6502a

    Aug 26, 2011
  4. sadcaper thread starter macrumors member

    Jun 28, 2007

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