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Thread: [newbie] need help upgrading!

  1. #1
    Default [newbie] need help upgrading!
    Okay so my iphone 3gs is already jailbroken and is on FW 4.0.2 with baseband 5.13.04. I am trying to update it to the latest firmware possible, but i rely on a carrier unlock (T-mobile). I was going to update to 4.3.3, but apparently i need something called SHSH blobs, which aren't obtainable. I have no idea where to start, or what i need. I also don't want to lose all my photos/apps/notes/contacts/etc. I found the following instructions on, but i'm not sure if there's anything else i need to use them that might interfere with the process. The instructions are for upgrading to 4.3.3. I also use windows.
    The instructions are:

    Connect your iPhone 3GS to a computer with iTunes installed.
    Download sn0wbreeze 2.7
    Open sn0wbreeze and click OK
    Click the blue arrow.
    Select Expert mode and click the blue arrow.
    Browse for the iPhone2,1_4.3.3_8J2_Restore.ipsw file.
    Select Custom Packages and click the blue arrow.
    Click Download Packages and select the link and hit Refresh.
    Now select the ultrasn0w package and click Download.
    Click the blue arrow.
    Select whatever options you want for the boot logos and click the blue arrow.
    Select Build Package and click the blue arrow.
    Wait for the firmware file to finish building.
    Follow the instructions to enter DFU mode.
    Once in DFU close sn0wbreeze and start iTunes.
    Start iTunes on the computer.
    Click on your iPhone 3GS under Devices on the iTunes sidebar.
    In iTunes hold the Alt key and click Restore.
    Select the custom IPSW file sn0wbreeze created.
    Once the restore is complete open the ultrasnow icon on your iPhone 3GS to unlock.

    summarized: jailbroken 3gs, 4.0.2 firmware, unlockable baseband, trying to update to latest firmware possible using windows computer, need to unlock it to T-mobile, no SHSH blobs, need to save apps,contacts,notes, and other things. Not sure if i can follow the above instructions. please help. sorry if this is in the wrong section. I also couldn't find an FAQ anywhere.
    Last edited by Windwakerr; 2011-08-12 at 03:55 AM.

  2. #2
    edit* woops uhmm yea seems right. but don't quote me...

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