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  1. ami2510's Avatar
    Hello Everyone,

    I have an IPhone 3GS running 3.1.3 on 5.11.07 - I bought it off ebay. It's already unlocked (carrier is TMobile) and jailbroken with the above stated info.

    I would like to move from 3.1.3 to a newer firmware (prefferably the newest if possible). I called people from Craigslist (5) and no one wants to update/re-jailbreak/re-unlock it.

    So I thought maybe I can do it myself (thats what she said) with the help of the modmyi people here at this forum.

    I am a complete newbie/noob when it comes to iphone stuff.

    My questions is, just like the 100s of other people here:

    How do I go about updating my iphone to a firmware of >4.0, having it jailbroken and unlocked for TMobile?

    I did some research and looked at the jailbreakinfo.pdf and see that it could work with a newer firmware.

    But I have no idea what to do, and how to start (Update first, jailbreak and then unlock or what not...)

    Help is appreciated and thank you in advance!

    If someone is around the Redmond/Seattle area and wants to show me how to jailbreak it then let me know.

    2010-10-02 10:38 PM
  2. Captinsmooth's Avatar
    Well a few things you need to find out first is does it have its shsh files saved, you can check at the top of cydia for this if, if so what ones? Then is it a old or new bootrom use this tool idetector | Jailbreak your iPod touches and iPhones to find out.

    If it is a old bootrom then you can use sn0wbreeze to create a custom jailbroke firmware. If it is a new bootrom then you can upgrade to 4.0.1 if you have the shsh files for it saved in cydia. Then if you a have a AT&T sim or a universal phone sim you can activate it, then jb it with and unlock it with ultrasn0w. Just be careful to not upgrade to 4.1 yet due to the baseband upgrade that is not unlockable.
    Last edited by Captinsmooth; 2010-10-02 at 11:18 PM.
    This post infers no rights and is provided as is.

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    2010-10-02 11:06 PM
  3. ami2510's Avatar
    Thank you for the quick reply,

    I haz the Old Bootrom, so the idetector says.
    Cydia tells me that my IPhone has SHSH: iOS 3.1.3, 4.0, 4.0.1

    I have a TMobile sim, and I could ask my gf who does have AT&T

    Maybe you can tell me what I have to do next, I dont want to brick my phone - since I have not jb or unlocked it.

    ADD: I ran f0recast and its says:
    Jailbreakable? Yes (with Spirit/JBme)
    Unlockable? Already Unlocked
    Tethered? No
    Last edited by ami2510; 2010-10-02 at 11:24 PM. Reason: Adding info
    2010-10-02 11:18 PM
  4. Captinsmooth's Avatar
    Here read these you have allot of choices due to having an old bootrom.

    iPhone 3GS – Windows
    This post infers no rights and is provided as is.

    Click here to follow me on twitter
    2010-10-02 11:21 PM
  5. bellyfrog's Avatar
    If you are on the old bootrom your best bet is to do a snowbreeze jailbreak since Jailbreakme has some compatibility issues with other jailbreaks.

    Thing is to do this you need to figure out which method was used to jailbreak the phone in the first place. If it's a spirit/jbme jailbreak or if it's a redsn0w/snowbreeze. Try to contact the guy you bought it from and find out.

    You have two options though. Either update to 4.0.1 using TinyUmbrella and use (not recommended by me personally but it's a possibility). Or create a custom firmware using Snowbreeze and update using that.
    2010-10-03 12:29 AM
  6. ami2510's Avatar
    Thank you both for the info!

    I will use Captinsmooths tutorial and see if it does the trick.
    I'll post when I successfully updated my phone... if I brick it then I ll save money to buy the IPhone 4


    Thank yoiu again for the help and may the force be with you.

    If I encouter problems, i ll just post them here =D
    2010-10-03 12:44 AM
  7. iYeow's Avatar
    Your best solution is to restore to 4.0.1 and use jailbreakme 2.0.
    Eventhough you have the old bootrom, but you only have 3.1.3 shsh blogs, in order to use custom firmware, you have to be iphone techy to perform it and if you make a mistake, then you might brick your iphone.
    This is what you do to use
    Run Notepad as Admin, open up to hosts file :
    add this line and it will look like this :

    save it and reboots.
    Now do the Shift + Restore to 4.0.1 ipsw
    Jailbreakme 2.0 on Safari on your iphone.
    Unlock with Ultrasn0w from Cydia.
    2010-10-03 02:40 AM