Downgrade?

Discussion in 'iOS 9' started by qwerty1211, Jul 9, 2015.

  1. qwerty1211 macrumors newbie

    Joined:
    Jul 9, 2015
    #1
    Hey, so I've been thinking about this for a long time whether or not if I should upgrade to iOS 9 beta due to all the bugs and all of that jazz... and yes I did decide to upgrade but I have one question... (well two..)

    Are you allowed/able to downgrade iOS 9 beta 3 to iOS 8.4?

    If so, are you allowed to keep your files? (ex: contacts, imessage history, apps, etc)
     
  2. batting1000 macrumors 604

    Joined:
    Sep 4, 2011
    Location:
    Florida
    #2
    If you made a backup while still on 8.4, you'll be able to get your stuff back. Only way to go back is to restore to the 8.4 .ipsw, which is why you'd need an 8.4 backup to get your stuff back.
     
  3. qwerty1211 thread starter macrumors newbie

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    Jul 9, 2015
    #3
    So if I backup before I update to 9.0 then I'm all cool when I return back, correct?
    Thanks!
     
  4. batting1000 macrumors 604

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    Sep 4, 2011
    Location:
    Florida
    #4
    Correct. :)
     
  5. batting1000 macrumors 604

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    Sep 4, 2011
    Location:
    Florida
    #5
  6. The Doctor11 macrumors 603

    The Doctor11

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    Dec 15, 2013
    Location:
    New York
    #6
    Will you be doing public or dev?
     
  7. qwerty1211 thread starter macrumors newbie

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    Jul 9, 2015
    #7
  8. qwerty1211 thread starter macrumors newbie

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    Jul 9, 2015
    #8
    Public :)
     
  9. The Doctor11 macrumors 603

    The Doctor11

    Joined:
    Dec 15, 2013
    Location:
    New York
    #9
    Because your doing public you won't be able to just download the 8.4 IPSW. Not a problem though. Do the same back up while on 8.4 just when you want to downgrade you have to do a DFU restore. :)
     
  10. batting1000 macrumors 604

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    Sep 4, 2011
    Location:
    Florida
    #10
    You can just dl the 8.4 .ipsw from the internet and alt restore to it in iTunes.
     
  11. The Doctor11 macrumors 603

    The Doctor11

    Joined:
    Dec 15, 2013
    Location:
    New York
    #11
    You could. A lot of those IPSW sites are pretty shady though...
     
  12. batting1000 macrumors 604

    Joined:
    Sep 4, 2011
    Location:
    Florida
    #12
    Most of them just have the direct Apple links. Been using http://www.felixbruns.de/iPod/firmware/ for years now without any issues. All it does is aggregate the official Apple download links into a big menu with all of the devices and latest versions.
     
  13. skinned66 macrumors 65816

    skinned66

    Joined:
    Feb 11, 2011
    Location:
    Ottawa, Canada
    #13
    Don't forget that Apple signs and verifies the package. If it has been tampered with, installation will fail. It's probably the site itself that is the bigger concern.
     
  14. dhlizard macrumors G4

    dhlizard

    Joined:
    Mar 16, 2009
    Location:
    The Jailbreak Community
    #14
    Do an iTunes backup on 8.4, then open iTunes preferences, choose devices tab and right click on the back-up and archive it to protect it.
     

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