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Recuva On a i phone?

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GT60
GT60 Posts: 2,360 Forumite
Part of the Furniture 1,000 Posts Name Dropper Combo Breaker
Hi does recuva work on an i phone
My friend had to do factory reset because her phone was locked due to the children trying to guess her pin and lost her photos etc
Thanks
Spending my time reading how to fix PC's,instead of looking at Facebook.

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  • JJ_Egan
    JJ_Egan Posts: 20,281 Forumite
    Part of the Furniture 10,000 Posts Name Dropper
    Its a Windows product .
    Run on PC and connect phone via USB .
  • gjchester
    gjchester Posts: 5,741 Forumite
    GT60 wrote: »
    Hi does recuva work on an i phone
    My friend had to do factory reset because her phone was locked due to the children trying to guess her pin and lost her photos etc
    Thanks


    This is WAY over simplifying the case but.......



    IOS 8 has encryption built in, the phone automatically encrypts your data.


    When the phone was set up an Encryption key was generated, this is pseudo randomly generated, and stored securely within the phone. It also created a decryption key from that encryption key to be used later. Even though they are not truly random if you generate another it is very unlikely to ever be the same encryption key as the one generated before.


    When you enter the phones pin or password it uses this and the decryption key to give the phone a code that will allow the data to be decrypted. This code is wiped from memory when you lock a device so your data is not accessible until you enter the right pin.


    When you factory reset the phone it actually wipes the keys rather than just the decryption code, so while it may be possible to read the data off the flash chips in the phone, any data will be unreadable. Without the decryption key the code alone is useless.




    The only way to get data back is to do a restore from an iTunes or ICloud backup
  • bod1467
    bod1467 Posts: 15,214 Forumite
    Even then whether it sees anything may depend on the "disk" format Apple have applied. (In reply to post #2. Post #3 gives a better explanation).
  • gjchester
    gjchester Posts: 5,741 Forumite
    JJ_Egan wrote: »
    Its a Windows product .
    Run on PC and connect phone via USB .


    It if was that simple the FBI/NSA/GCHQ /Insert intelligent service name here would not be as annoyed that Apple have encrypted iPhones by default and they don't have a way back in to them.

    bod1467 wrote: »
    Even then whether it sees anything may depend on the "disk" format Apple have applied.


    Its not about format, if you put it in disk terms, the entire phone memory (ie hard disk) is encrypted, Even if you have access without the correct decryption keys its unreadable.
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