Selling iPhone 4 soon, any reason not to install iOS 5?

Discussion in 'iOS 5 and earlier' started by Luigi239, Oct 12, 2011.

  1. Luigi239 macrumors 6502a

    Jan 25, 2007
    I just bought the 4S, and so when it arrives I will be selling my old AT&T iPhone 4. Is there any reason to keep the phone on iOS 4 when selling it for jailbreaking / unlocking purposes, or should I just go ahead and upgrade?

  2. spacehog371 macrumors regular

    Dec 13, 2003
    Yes, if you upgrade to iOS 5 without preserving the baseband, it will not be unlockable unless a new tool comes out.

    It's not yet known if the gevey sim can unlock the new baseband from iOS5, but it probably can't.

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