Do you have to be on iOS4 to jailbreak using the new Comex jailbreak?

Discussion in 'Jailbreaks and iOS Hacks' started by Marlymarl, Aug 2, 2010.

  1. Marlymarl macrumors newbie

    Joined:
    Aug 2, 2010
    #1
    I have a jailbroken and unlocked iphone 3gs on T-mobile using old bootrom 5.11.07 still on 3.1.2 Do I have to already be on iOS 4 to jailbreak using http://jailbreakme.com?
     
  2. benflick macrumors 68020

    benflick

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    Jul 11, 2008
    Location:
    Cincinnati, Ohio
  3. Marlymarl thread starter macrumors newbie

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    Aug 2, 2010
    #3
    So doing this jailbreak will automatically take you (if you are on 3.1.2) to 4.0.1?

     
  4. thelatinist macrumors 603

    thelatinist

    Joined:
    Aug 15, 2009
    Location:
    Connecticut, USA
    #4
    No, it will not. If you wish to upgrade to 4.0.1 you will have to do it through iTunes before you jailbreak.
     
  5. Marlymarl thread starter macrumors newbie

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    Aug 2, 2010
    #5
    by doing this will it update your base band or change your bootrom?

     
  6. gr8whtd0pe macrumors 6502a

    gr8whtd0pe

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    Feb 21, 2008
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    Belle, WV
    #6
    No, it just jailbreaks your phone. Nothing else...
     
  7. Marlymarl thread starter macrumors newbie

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    Aug 2, 2010
    #7
    what I mean is I am going to have to update from 3.1.2 using itunes to 4.0.1 first right? if so, that will not brick the iphone since its already unlocked and jailbroken?
     
  8. gr8whtd0pe macrumors 6502a

    gr8whtd0pe

    Joined:
    Feb 21, 2008
    Location:
    Belle, WV
    #8
    No its for 3.1.2 and up.... Someone already told you that lol.

    Wait your phone is already jailbroken? Then why do you want this? It's the same thing.
     
  9. ldobson macrumors regular

    Joined:
    Jun 19, 2009
    #9
    Generally I do a full restore to the current version of ios (in my case 3.1.3) then do an upgrade via iTunes to 4.01 and then jailbreak, that will ensure that any previous jailbreak residue is gone. Upgrade two 3GS's this way, one from 3.1.2 and one from 3.1.3, no issues.
     
  10. Marlymarl thread starter macrumors newbie

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    Aug 2, 2010
    #10
    I am jailbroken on 3.1.2 still, I have not upgraded to the new firmware. I want to upgrade to the new firmware and keep my unlock

     
  11. benflick macrumors 68020

    benflick

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    Jul 11, 2008
    Location:
    Cincinnati, Ohio
    #11
    Upgrade to 4.0.1 in iTunes, jailbreak with jailbreakme, and unock with Ultrasn0w.
     
  12. thelatinist macrumors 603

    thelatinist

    Joined:
    Aug 15, 2009
    Location:
    Connecticut, USA
    #12
    The new 4.0.1 baseband can be unlocked with ultrasn0w. You don't have to worry about that. Just be sure not to upgrade to 4.1 when it is released later this year.
     

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