1. reversalagent's Avatar
    I have tried several times to downgrade from iOS 11 B2-->B1--> iOS 10.3.2 without any success. I have not had a chance to try the 10.3.3 restore, but will tonight.

    Question, if the 10.3.3 restore works, will my archived backup of 10.3.2 be able to be used to restore the phone contents?
    06-25-2017 10:24 AM
  2. Tartarus's Avatar
    Use DFU Mode to downgrade your iDevice.
    Yes, in theory your backups from any previous version should be usable on higher versions.

    Here is more information about DFU Mode: https://m.imore.com/how-to-iphone-ipad-dfu-mode
    Jezza23 likes this.
    06-25-2017 10:59 AM
  3. reversalagent's Avatar
    Thanks for the info. Tried DFU mode several times with the 10.3.2 IPSW file and never properly restored. At work now, but will try another method tonight.
    06-25-2017 11:18 AM
  4. Just_Me_D's Avatar
    You should easily be able to downgrade to the latest official iOS version for your device via DFU mode and iTunes.
    libra89 likes this.
    06-25-2017 11:22 AM
  5. reversalagent's Avatar
    You would think, but once the restore finishes, iTunes pops up a window stating you need to update or restore phone. Only luck I am having is with iOS 11 beta 1 during restore.
    06-25-2017 11:43 AM
  6. Jezza23's Avatar
    That's what I'd go for definitely
    06-25-2017 11:46 AM
  7. Just_Me_D's Avatar
    You would think, but once the restore finishes, iTunes pops up a window stating you need to update or restore phone. Only luck I am having is with iOS 11 beta 1 during restore.
    Are you saying that you’re only able to restore iOS 11 Dev Beta 1?
    06-25-2017 11:51 AM
  8. Just_Me_D's Avatar
    That's what I'd go for definitely
    Please use the quote option so that readers can know to whom you’re replying. Thanks...
    06-25-2017 11:52 AM
  9. reversalagent's Avatar
    Yes. I have downloaded the 10.3.2 IPSW file and tried DFU and option pick that file while in iTunes restore and it still fails.
    06-25-2017 11:54 AM
  10. Just_Me_D's Avatar
    Yes. I have downloaded the 10.3.2 IPSW file and tried DFU and option pick that file while in iTunes restore and it still fails.
    Please use the quote option when replying. Thanks.

    Anyway, try deleting the .ipsw file for all other iOS versions except for the one you want to restore. Afterwards, reboot your computer and then try again via DFU mode.
    06-25-2017 11:56 AM
  11. YankInDaSouth's Avatar
    Had this same issue called Apple support and it's apparently an issue with Beta 2 and iTunes on windows PC. I had to download iOS11 beta 1 IPSW install it then used iTunes to downgrade back to 10.3.2
    06-25-2017 12:07 PM
  12. reversalagent's Avatar
    Had this same issue called Apple support and it's apparently an issue with Beta 2 and iTunes on windows PC. I had to download iOS11 beta 1 IPSW install it then used iTunes to downgrade back to 10.3.2
    I am in the same boat, expect trying to do this with a Mac. I have downloaded both iOS 11 B1 and iOS 10 10.3.2 and cannot get it to restore. Were you able to successfully do so on the first try?
    06-25-2017 12:20 PM
  13. YankInDaSouth's Avatar
    @reversalagent Yes, first restored to beta 1 was successful, then used iTunes to restore to 10.3.2
    06-25-2017 12:32 PM
  14. badelhas's Avatar
    Thanks guys, for all the tips, great thread indeed...

    Cheers
    06-25-2017 12:32 PM
  15. Just_Me_D's Avatar
    Thanks guys, for all the tips, great thread indeed...

    Cheers
    On behalf of everyone who has participated, you’re very welcome...
    badelhas likes this.
    06-25-2017 12:36 PM
  16. reversalagent's Avatar
    @reversalagent Yes, first restored to beta 1 was successful, then used iTunes to restore to 10.3.2
    I have a windows machine with iTunes on it, but I cannot believe that would make any difference. Almost curious if better just to stay on iOS 11 and just restore from archived iOS 10 backup and continue on. Only problem is Apple Watch is no longer connecting to phone.
    06-25-2017 12:39 PM
  17. grob9642's Avatar
    Hey all is this for sure an issue only with windows computers? It would be helpful for me to know this for sure. Thx.
    06-25-2017 03:53 PM
  18. reversalagent's Avatar
    Hey all is this for sure an issue only with windows computers? It would be helpful for me to know this for sure. Thx.
    I primarily use a Mac computer, but have a windows computer has an option. Will have to play with it when I get home and have time.
    06-25-2017 04:17 PM
  19. TwitchyPuppy's Avatar
    I read that you have the IPSW. When your phone is connected, shift+click or cmd-click ‘Restore’ and manually select the IPSW file.
    06-25-2017 07:33 PM
  20. syphix's Avatar
    I DFU downgraded as follows:

    Reinstall Beta 2 -> then Beta 1 -> finally 10.3.2, no problems.

    Some need to go:
    Reinstall Beta 2 -> Beta 1 -> 10.3.3 Beta 4 -> 10.3.2

    I'm sticking with 10.3.2. It gets better wife approval as my daily driver ("That's what you get for effing with your phone!").
    John Yester likes this.
    06-25-2017 07:35 PM
  21. reversalagent's Avatar
    I DFU downgraded as follows:

    Reinstall Beta 2 -> then Beta 1 -> finally 10.3.2, no problems.

    Some need to go:
    Reinstall Beta 2 -> Beta 1 -> 10.3.3 Beta 4 -> 10.3.2

    I'm sticking with 10.3.2. It gets better wife approval as my daily driver ("That's what you get for effing with your phone!").
    Did you go to the home screen each time or just let it boot up and then put it in to DFU mode? I am in the middle of this now.
    06-25-2017 07:41 PM
  22. syphix's Avatar
    Did you go to the home screen each time or just let it boot up and then put it in to DFU mode? I am in the middle of this now.
    After booting to 11.0 Beta 2, I went through the setup because I'd been without a phone for a while (3mbps home internet + 2.4 gb IPSW files = long time out of touch). After that (Beta 1), I didn't setup before shutting off and going to DFU and flashing 10.3.2.
    06-25-2017 08:42 PM
  23. toneofark's Avatar
    Initially I couldn't downgrade, I kept getting the Restore loop. I did a clean install of 11 Beta 2, which cleared up a few issues. My second downgrade attempt via DFU mode was successful.
    06-26-2017 08:25 AM
  24. reversalagent's Avatar
    It appears Apple released an update to Beta 2 which might address the downgrade issues. I am not able to test it now, but might be tempted once I get home.

    Just curious for anyone who might have been in the same situation:
    I was able to put iOS 11 B2 on last night and restored from a backup (iOS 10) to have my content back. I cannot get my watch to re-pair unless I reset it. Has anyone been able to downgrade and then re-pair the watch, WITHOUT A RESET and have activity data sync back up?
    06-26-2017 03:58 PM
  25. John Yester's Avatar
    I followed the above, but you can not load 10.3.2. I had it settle in with 10.3.3


    But yes YOU must go to Beta 1 from Beta 2.
    06-26-2017 04:21 PM
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