Questions about preserving baseband

Discussion in 'Jailbreaks and iOS Hacks' started by pete1, Jan 30, 2012.

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  1. pete1, Jan 30, 2012
    Last edited: Jan 30, 2012

    pete1 macrumors member

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    Feb 19, 2008
    Location:
    London, UK
    #1
    I have an iPhone 4 with iOS 4.3.3 and baseband 4.10.01. I would like to upgrade to iOS 5.0.1 but am keen to have the option to go back to 4.3.3 (I've already saved my SHSH blobs). My concern is regarding baseband, I know that if I upgrade to 5.0.1 through iTunes, BB will be permanently upgraded to 4.11.08.

    Is it OK, generally, to mix and match baseband and firmware? So if I later downgrade, would iOS 4.3.3 with 4.11 baseband throw up issues?
     
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  2. PsstGreek, Jan 30, 2012

    PsstGreek macrumors 68040

    PsstGreek

    Joined:
    Oct 21, 2010
    Location:
    Tampa Bay
    #2
    You either need to use Redns0w or PwnageTool to upgrade to 5.0.1 and keep your baseband.

    If you upgrade directly through iTunes, you'll want be able to unlock. I'm guessing with the Gevey sim?
     
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  3. pete1, Jan 30, 2012

    pete1 thread starter macrumors member

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    Feb 19, 2008
    Location:
    London, UK
    #3
    If I go to iOS 5.0.1 and keep my current baseband, are there any drawbacks to this? Like stability or missing features? I can always upgrade my baseband later right?
     
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