Does "Erase All Content and Settings" change Firmware?

Discussion in 'iPhone Tips, Help and Troubleshooting' started by jman995x, Nov 28, 2011.

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  1. jman995x, Nov 28, 2011

    jman995x macrumors regular

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    #1
    I'm selling my wife's iPhone and the person might be interested in keeping the current firmware (4.3.2) for JB reasons.

    If I "Erase All Content and Settings", will the new owner have to upgrade to 5.0.1 firmware when they get it (since this phone is new to them and their computer, thus they won't have a previous Restore on their computer)?

    My gut says, "No", that the firmware stays on the iPhone even after an EACaS.

    Please let me know a.s.a.p. as I want to ship this out to the buyer today.

    Thanks,

    J.
     
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  2. soco, Nov 28, 2011

    soco macrumors 68030

    soco

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    #2
    It does not.
     
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  3. jman995x, Nov 28, 2011

    jman995x thread starter macrumors regular

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    #3
    Thank you.
     
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  4. Crystal-RX, Nov 28, 2011

    Crystal-RX macrumors 68030

    Crystal-RX

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    #4
    You can do this if your phone is not jailbroken. Don't ever do this if your phone is jailbroken because if you do, it will hang and you will have to restore it.
     
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  5. aa521490, Apr 19, 2012

    aa521490 macrumors regular

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    #5
    I have the iPhone 4S with firmware 5.0.1. If I reset and do ERASE ALL CONTENT & SETTINGS, will I lose the 5.0.1 firmware? Want to give a business my iPhone and have them jailbreak and unlock it, but dont want them to have access to my info and apps.
     
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  6. Applejuiced, Apr 19, 2012

    Applejuiced macrumors Westmere

    Applejuiced

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    #6
    Like CRX said above as long as you iphone is on stock firmware and not JB you can do an "erase all" and still stay on the firmware that you're on now.
    If the phone is JB and you try an erase all it will get stuck at the Apple logo and you will need to do a restore to bring it back. And by doing a restore you will be forced to restore to the latest firmware version out.
     
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  7. aa521490, Apr 19, 2012

    aa521490 macrumors regular

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    #7
    Thanks. Wanted a second opinion. Also, I wasn't sure which iPhone the OP was talking about.

    Just to clarify, if I do a backup on my macbook in iTunes, erase all contents and settings, hand over my iPhone 4S to be jailbroken and unlocked, then get it back and restore from backup, will the JB and unlock still be on my iPhone? Will all my apps be where it should be on my screen and have all the info intact (eg. game settings, 1 password info, music, movies, etc..)?
     
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