IPSW 10.3.3 file safe to download and install?

Discussion in 'iOS 11' started by Chris_H0928, Oct 3, 2017.

  1. Chris_H0928 macrumors member

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    Boston, MA
    #1
    So I’m an idiot who finally caved and updated to iOS 11 yesterday. It’s not bad and I can see myself enjoying it once the kinks are worked out, but the battery life isn’t quite there yet and I’ve noticed some stuttering, amongst other hiccups. I want to revert back to iOS 10.3.3 but apparently I didn’t have the backup saved in the cloud as I had assumed I did and so now I need to get to a desktop and go the iTunes route via an IPSW download. The process is simple and I know how to do all that, but is it safe to download and install files from places like ipsw.me? My warranty on this 6s is expired anyways, so that’s not a worry. Or does anyone know any tricks to revert back to 10.3.3 with no backup and a computer not currently present?
     
  2. Nermal Moderator

    Nermal

    Staff Member

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    New Zealand
    #2
    ipsw.me links directly to Apple's servers so the files are authentic. In any case, the files are "signed" and ones that have been tampered with won't install in the first place.
     
  3. iSayBoourns Suspended

    iSayBoourns

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    Sep 15, 2017
    #3
    Yes it’s safe. IPSW files won’t do anything without getting verified. So there’s no way you could install a tampered with file.
     
  4. Paddle1 macrumors 68040

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    May 1, 2013
    #4
    Also backups don't backup the OS itself, only the data.
     
  5. Chris_H0928 thread starter macrumors member

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    #5
    That’s what I wanted to hear. Thank you.
     
  6. Chris_H0928 thread starter macrumors member

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    #6
    One more question. How long do you think Apple will continue to sign off on iOS 10.3.3? The end of the week? A month?
     
  7. Mlrollin91 macrumors G5

    Mlrollin91

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    #7
    I highly doubt it will last through the end of the week, now that 11/11.0.1/11.0.2 have been released. Normally as one is released, the older one is dropped.
     
  8. Paddle1 macrumors 68040

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    #8
    The only other time they've continued to sign the previous major version this long is with iOS 9 last year which they signed until October 19th. Hard to know when they'll stop.
     
  9. Chris_H0928 thread starter macrumors member

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    #9
    Gotcha. Thank you.
     
  10. newellj macrumors 604

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    Oct 15, 2014
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    Boston, MA, US
    #10
    ^^^ What they said. If you want to downgrade, I'd do it ASAP. At this point I think Apple will stop signing 10.3.3 any day now. I put both of my iPads back onto 10.3.3, one of them last night. Apple doesn't publicly announce when then will stop signing a prior iOS version.
     
  11. Chris_H0928 thread starter macrumors member

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    #11
    Took care of it this morning as I had some time to kill. Thanks for all the replies.
     
  12. Mlrollin91 macrumors G5

    Mlrollin91

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    #12
    And it’s no longer being signed.
     
  13. gwhizkids macrumors 601

    gwhizkids

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    Jun 21, 2013
  14. Chris_H0928 thread starter macrumors member

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    #14
    Wow! Made it just in time! Thanks for the push. I was gonna wait till Friday.
     
  15. Nisaja macrumors 6502a

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    Sep 20, 2016
    #15
    You’re lucky. I wanted to downgrade today. So much for that
     
  16. Paddle1 macrumors 68040

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    May 1, 2013
    #16
    iOS 9.3.3 is the only other time they continued signing into October since switching to September releases. Seems it's only really a safe guess right after initial release.
     
  17. Nisaja, Oct 5, 2017
    Last edited: Oct 5, 2017

    Nisaja macrumors 6502a

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    #17
    Really? They had it open until 10.0.2?
     
  18. Paddle1 macrumors 68040

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    May 1, 2013
    #18
    They had it open until releasing 10.0.3 on October 17th, then they stopped signing 9.3.3 on the 19th. The update says it fixed the iPhone 7 dropping calls. Seems like they try to fix some serious issues first.
     
  19. twdawson macrumors regular

    twdawson

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    Newcastle upon Tyne, United Kingdom
    #19
    I am just pleased my 6s is working good with iOS 11. I feel sorry for the people who are having problems with the update as there is no chance of going back.
     
  20. phillytim macrumors 65816

    phillytim

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    Aug 12, 2011
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    Philadelphia, PA
    #20
    iOS 10.x and 11.0 are no longer being signed by Apple. It's too late to turn back now.
     

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19 October 3, 2017