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Thread: 3gs not recognizing tmobile sim after unlocking with custom Snowbreeze ispw

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I'll give you a bit of background first. I just got given a 3gs which came pre JB'd and unlocked with GreenPoison. When I got the phone in my possession
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  1. #1
    Green Apple
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    Default 3gs not recognizing tmobile sim after unlocking with custom Snowbreeze ipsw
    I'll give you a bit of background first.
    I just got given a 3gs which came pre JB'd and unlocked with GreenPoison. When I got the phone in my possession one of the first things I did was a system reset from within the settings menu.
    This ended up being a big no-no. I didn't know at the time but this essentially corrupted the bootloader and the phone was stuck at the greenpoison skull boot image... permanently
    It took me days of research and experimenting, (Tiny Umbrella wouldn't even recognize the phone) but long story short my only option was to use the latest version of iTunes and restore the phone to 5.0.1 (BB 5.16.05).

    So now I'm back to unlocking the phone.
    I followed THIS tutorial which is essentially a two click process and involves flashing a custom ipsw created with Snowbreeze. Supposedly this ispw already has the iPad BB and whatever tools are necessary for the unlock. For the most part the process went without a hitch. Phone now boots into 5.0 with 6.15.00 BB. Problem is, my phone still says "No Service" when my Tmobile sim is inserted.

    Is there a step I'm missing? Do I need to run something from Cydia???

    Here's the phone specs currently:
    3Gs iBoot 359.3 (old bootrom)
    FW 5.0
    BB 6.15.00
    Enable 3G is set to off
    Cellular Data = off
    Data Roaming = off
    Last edited by MinimusMaximus; 12-26-2011 at 04:35 PM.

  2. #2
    Super Moderator iYeow's Avatar
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    Run redsn0w and flash ipad bb update again

  3. #3
    iPhone? More like MyPhone
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    Quote Originally Posted by iYeow View Post
    Run redsn0w and flash ipad bb update again
    Hey iyeow, how exactly do you reflash if you are already jb'ed? Redsnow keeps telling me it's already been done and stops the process.

  4. #4
    Green Apple
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    After I JB'd I ran ultrasnow from cydia. Unlocked fine for me after that.
    Open Cydia, search for ultrasn0w, install ultrasn0w package.

    There's more in-depth links in this guide as well.

  5. #5
    iPhone? More like MyPhone
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    thanx minimus, im good, i figured it out earlier today, had to do it the long irritating way but i got it, lol.

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