how to clear/erase info from iphone 4?

Discussion in 'iPhone' started by CBillups1, Oct 8, 2011.

  1. CBillups1 macrumors 6502a

    CBillups1

    Joined:
    Sep 1, 2008
    Location:
    Michigan
    #1
    currently have my iphone for sale and when i do sell it. how do i go about clearing everything from the phone?

    keep in mind, the phone is jailbroken and unlocked.
     
  2. theDUB macrumors 6502a

    theDUB

    Joined:
    Nov 15, 2008
    Location:
    SLT, CA
    #2
    Do a full restore using the same iOS version you are running now, re jailbreak and unlock.
     
  3. CBillups1 thread starter macrumors 6502a

    CBillups1

    Joined:
    Sep 1, 2008
    Location:
    Michigan
  4. jenzjen macrumors 68000

    Joined:
    Aug 20, 2010
    #4
    Search the web, lots of tutorials. You need to restore it to your old firmware (to clear the phone) then re-jailbreak.
     
  5. tshandy macrumors newbie

    tshandy

    Joined:
    Mar 10, 2010
    #5
    Is it necessary? Could someone perform deep data mining on an iPhone's flash memory the way, let's say, the FBI can do on a standard hard drive?
     
  6. CBillups1 thread starter macrumors 6502a

    CBillups1

    Joined:
    Sep 1, 2008
    Location:
    Michigan
    #6
    why wouldnt it be neccesary? ive got apps and sites im logged into. thats why. it has all my info.

    i dont think you want to sell something with access to your info on it. might as well start giving out our SSN:confused:
     
  7. tshandy macrumors newbie

    tshandy

    Joined:
    Mar 10, 2010
    #7
    I wasn't implying that it wasn't necessary just curious about flash memory. I've always disposed of old hard drives with a drill or mallet because (as I've been led to believe) you can never completely wipe a hard drive. Is flash memory different? Can you actually wipe it perfectly clean?
     

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