Do I have the old bootrom?

Discussion in 'Jailbreaks and iOS Hacks' started by packgrad2000, Jun 23, 2010.

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  1. packgrad2000, Jun 23, 2010

    packgrad2000 macrumors regular

    Joined:
    Sep 19, 2007
    #1
    From the serial number, my iPhone 3GS was made in Week 39 of 2009, which I think puts it in the gray area of old vs. new bootrom. However, I bought it already jailbroken/unlocked, and I am able to turn it off and back on without being tethered. Does this mean I'm on the old bootrom? I'm looking to upgrade to iOS 4.0 with the new PwnageTool 4.01. Also, will it remain unlocked as well as JB with the new Dev Team tools?
     
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  2. farmermac, Jun 23, 2010

    farmermac macrumors 6502a

    Joined:
    Jul 23, 2009
    Location:
    Iowa
    #2
    turn on/off with no tethering and being unlocked on 3.1.2 means old bootrom
     
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  3. LaZyFLiP, Jun 23, 2010

    LaZyFLiP macrumors regular

    Joined:
    Jan 20, 2009
    #3
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