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Restore vs. "Erase and Reset"?

4535 Views 9 Replies Latest reply: Jul 22, 2008 1:57 PM by Glorfindeal RSS
Keithos Level 3 Level 3 (520 points)
Currently Being Moderated
Jul 22, 2008 11:51 AM
Hi there. Can someone please explain to me the difference(s) between the restore function in iTunes vs. the "erase and reset" function on the phone under settings/general/reset?

From what I can tell the restore function requires downloading the latest firmware from Apple in iTunes whereas the erase and reset takes approximately 1 hour to erase the phone (not sure why 1 hour for an 8 GB phone with no hard drive) and never requires downloading any software.

Any help is greatly appreciated!

-Keith
MacBook Pro 15.4" 2.4GHz Core 2 Duo, Mac OS X (10.5.4), 200 GB HDD 7200 RPM, 2 GB RAM
  • Glorfindeal Level 6 Level 6 (9,330 points)
    Currently Being Moderated
    Jul 22, 2008 12:13 PM (in response to Keithos)
    The erase will do a clean wipe of the iPhone and pretty much reset it back to factory new condition except that it keeps the current version of the firmware.

    A restore from iTunes will bring it back to the most current version of the firmware. It does not do a clean wipe though.

    Glor
    MacPro 2.66 GHZ (5GB), Macbook Air 1.6, 30" Samsung 305T, Mac OS X (10.5.4), iPhone 3G 16GB White, iPod Nano 8GB, iPod Video 60GB
  • Revelation Level 1 Level 1 (130 points)
    Currently Being Moderated
    Jul 22, 2008 12:39 PM (in response to Keithos)
    The erase and reset feature was designed to protect you when you want to sell it. That way ALL of your personal information is gone.
    16GB Iphone - MackBook Air on the way, Mac OS X (10.5.3), iPhone App Developer
  • Revelation Level 1 Level 1 (130 points)
    Currently Being Moderated
    Jul 22, 2008 1:13 PM (in response to Keithos)
    iPhone select erase and reset; computer reinstall windows selecting the thorough format option.
    16GB Iphone - MackBook Air on the way, Mac OS X (10.5.3), iPhone App Developer
  • Glorfindeal Level 6 Level 6 (9,330 points)
    Currently Being Moderated
    Jul 22, 2008 1:21 PM (in response to Keithos)
    iPhone: erase and reset.

    Mac: Clean install. If you want be more safe, use disk utilitiy to do a zero out data or a 7 pass erase or a 35 pass erase.

    glor
    MacPro 2.66 GHZ (5GB), Macbook Air 1.6, 30" Samsung 305T, Mac OS X (10.5.4), iPhone 3G 16GB White, iPod Nano 8GB, iPod Video 60GB
  • MobileDev Level 3 Level 3 (565 points)
    Currently Being Moderated
    Jul 22, 2008 1:23 PM (in response to Revelation)
    The erase and reset feature was designed to protect you when you want to sell it. That way ALL of your personal information is gone.


    Unfortunately, at least with the original OS versions, it's still there, if you have the right tools to look for it.

    People have even gotten personal info from iPhones bought as refurbs.

    Just Google around for things like "iPhone personal data not erased". For example, [click here|http://www.iphonealley.com/news/how-to-properly-erase-an-iphone-guide-post ed].

    There are websites with procedures to help you really erase everything.
    Touchscreen laptop and industrial handhelds, Other OS
  • Glorfindeal Level 6 Level 6 (9,330 points)
    Currently Being Moderated
    Jul 22, 2008 1:57 PM (in response to Keithos)
    You may one day have to do a restore on your iPhone. It is possible for the iPhones OS to crap out on you, in that case, a restore maybe your only option.

    I've never had issues with doing zero out, except it take a while. Could have been a problem with the drive itself.

    Glor
    MacPro 2.66 GHZ (5GB), Macbook Air 1.6, 30" Samsung 305T, Mac OS X (10.5.4), iPhone 3G 16GB White, iPod Nano 8GB, iPod Video 60GB

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