Downgrade

Discussion in 'iOS 10' started by Kasun, Jan 14, 2017.

  1. Jan 14, 2017 #1
    Kasun

    Kasun New Member

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    how to downgrade to unsigned ios 9.x.x from ios 10.2. can i do it ?????
     
  2. Jan 14, 2017 #2
    scifan57

    scifan57 Super Moderator Staff Member

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    No, it's not possible to downgrade to an unsigned version of iOS as part of the installation procedure is an online verification with the Apple update servers, which will cause the installation to fail every time.
     
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  3. Jan 14, 2017 #3
    Kasun

    Kasun New Member

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    so what is shsh2 blobs
     
  4. Jan 15, 2017 #4
    J. A.

    J. A. Super Moderator Staff Member

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  5. Jan 15, 2017 #5
    Kasun

    Kasun New Member

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    i saved my 10.2 blobs can i use it for downgrade
     
  6. Jan 15, 2017 #6
    J. A.

    J. A. Super Moderator Staff Member

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    The current software is 10.2.

    If you try reverting to iOS 10.2 when Apple is signing a different software, it will not work. During the installation process, iTunes connects to Apple's servers to make sure you don't install software not signed by them. You'll get error 3194, and it will not be possible to proceed.

    So: no, you can't use your blobs to go back to 10.2 once it's not signed any more.
     
    Last edited: Jan 15, 2017
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  7. Jan 15, 2017 #7
    scifan57

    scifan57 Super Moderator Staff Member

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    If you really want an iPhone running iOS 9.3.5 you'll have to buy a used one that was never upgraded to iOS 10.
     
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