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Thread: MIss My Old Phone

  1. #1
    Default MIss My Old Phone
    Our company switched from AT&T to T-Mobile, which means my old 3G no longer has service.

    Having trouble seeing my new T-Mobile phone; one of the things I like about the Iphone is it's very easy to read.

    So I have been researching unlocking my 3G but the amount of info is somewhat overwhelming.

    My phone is already jailbroken with Cydia.

    The bootloader version is 06.02
    The baseband version is 02.30.03.
    The OS Version is 2.2.

    Can this phone be unlocked?

    Thanks very much for any help with this.

  2. #2
    Superbad Modder-ator Simon's Avatar
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    Yes it can, just download the 3.1.3 and 3.1.2 firmware from here: iPod, iPhone and iPad Firmware Download

    In itunes shift/option click restore to the 3.1.3 firmware (a window will pop up when you do this where you can choose your firmware). Do not update to 4.1 as there is no unlock for that.

    Once at 3.1.3 use redsnow 0.9.4 to jailbreak and activate it (unless you still have a ATT sim then you can use that to activate it). You will need to point it to the 3.1.2 firmware.

    Once jailbroken open cydia and install ultrasn0w then reboot. Your phone will now be unlocked.

    redsnow 0.9.4 and a guide to jailbreak can be found here: http://www.redmondpie.com/jailbreak-...redsn0w-0.9.4/

  3. The Following User Says Thank You to Simon For This Useful Post:

    lute2 (2010-11-13)

  4. #3
    Thanks for the reply!
    I downloaded the two .ipsw files, hit option/restore, found the 3.1.3 7E18 in downloads, clicked on it, and got this message:

    The Iphone "iphone" could not be restored because the firmware file is not compatible".

    Is there another way to restore this file?

  5. #4
    Retired Moderator iYeow's Avatar
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    Download from here :
    iClarified - iPhone - Where To Download iPhone Firmware Files From

    Don't confuse 3g and 2g iphone which has a silver backing.
    Last edited by iYeow; 2010-11-13 at 07:30 AM. Reason: Automerged Doublepost

  6. The Following User Says Thank You to iYeow For This Useful Post:

    lute2 (2010-11-14)

  7. #5
    Successfully downloaded 3.1.3 and 3.1.2, thanks for the link.
    I option/restored to 3.1.3.
    Downloaded 0.9.4 and opened it.
    Now it says to select current ipsw.
    I chose 3.1.2.
    Now it offers 6 choices, including "install Cydia", "unlock", and "already pwned".
    If I choose these three it then asks me to Google for the binary code for 3.9 and 4.6.
    Think I'm going off the rails here; I have a 3G not a 2G.
    What is my next step?

  8. #6
    Superbad Modder-ator Simon's Avatar
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    If you are getting those options then you selected the wrong .ipsw, those are the options for a 2G. a 3G .ipsw should start iPhone,1,2 a 2G will start iPhone 1,1

  9. The Following User Says Thank You to Simon For This Useful Post:

    lute2 (2010-11-14)

  10. #7


    wah-HAH!
    It WORKED!

    Blessings on both of you for helping me and others.

  11. #8
    Green Apple
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    Not quite sure why you went to 3.1.3 instead of 4.1?

    Just as a data point: I got an iPhone 4 and just sold my 3G to a friend.

    I had installed 3.1.3 on it originally, but the buyer decided he wanted to go to 4.1.

    So I installed 4.0.1 or 4.0.2 (I forget) on it via a normal Option-Restore in iTunes to bring it up to the next-to-the-latest baseband.

    Once I did that, then I used PwnageTool 4.1.2 to bring it up to 4.1 while leaving the upgraded baseband alone. I then unlocked with ultrasn0w 1.1.

    My friend is now happily using my 3G on T-Mobile with 5 bars at his Hollywood apartment.

  12. #9
    Superbad Modder-ator Simon's Avatar
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    We recommended 3.1.3 because it runs a lot better on a 3G. 4.0 and up can be very sluggish on a iphone 3g which can sometimes be very frustrating.

  13. #10
    Green Apple
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    4.0.1/4.0.2, sure - but I've seen vids on YouTube that show 4.1 on a 3G isn't very different to 3.1.3. Seemed like it to me after I'd gotten it up to 4.1, as well.

  14. #11
    Superbad Modder-ator Simon's Avatar
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    4.1 is a bit better than 4.0 but can still be very sluggish in comparison to 3.1.3.

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