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Discuss iPhone 3G - restored to FW 4.2.1 BB 06.15.00 - HELP at the iOS 4.x (iPhone OS 4.x) - Hackint0sh.org; Hi All I decided to sell my old jailbroken iPhone on a well known auction ...
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    Unhappy iPhone 3G - restored to FW 4.2.1 BB 06.15.00 - HELP

    Hi All

    I decided to sell my old jailbroken iPhone on a well known auction site

    But - I thought I would do a factory reset before shipping and during the process it locked up. So I connected to iTunes and let it do a restore to 4.2.1 from the web. However I forgot that when it came back it would need activating etc.

    So when it was back, I used RedSn0w 0.9.6b5 to jailbreak and all seemed good - loaded Cydia and Ultrasn0w 1.2.7, but get now get no service and says "searching" for ages.

    I have looked about and found various ways of fixing this - but the common factor was to upgrade the baseband to 06.15.00 (iPad) which I have now done - but still cant unlock it. I have also tried restoring to 4.1 and 4.0.1, but nothing

    It has now gotten worse because with having tried various unsuccessful methods (including Sn0wbreeze, L1merain, etc) the phone boots and shows the Apple icon - but thats it. I tried restoring on iTunes again to 4.2.1 but it always shows a 1015 error (expected) and then when I check using TinyUmbrella it still shows FW 4.0.1 despite doing a restore to it when in DFU mode from iTunes.

    I have tried so many different methods now I am struggling to remember all the permutations - so please ask and if its something I have already tried I will let you know!

    I am now losing the will to live - can anyone offer any advice?

    Thanks in advance.



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    I also meant to add that following doing the last 4.2.1 restore and using TinyUmbrella to get out of recovery mode, the phone reboots and goes back into recovery mode.... please HELP!!

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    OK - managed to find the fix on MacRumours (thanks to jdmmike)...

    My phone specs:

    iPhone 3G
    iOS 4.2.1 (prior) now currently on iOS 3.1.3
    Baseband 06.15.00
    *SHSH Blobs not need for iOS 3.1.3

    What's needed to get this done:
    iPhone1,2_3.1.3_7E18_Restore.ipsw (Stock)
    iPhone1,2_3.1.2_7D11_Restore.ipsw
    redsn0w-mac_0.9.4 (Jail Break)
    RecBoot 1.0.2 (Kick out iPhone)
    Ultrasn0w - http://jaxov.com/2011/03/how-to-upgr...band-06-15-00/

    1. Plug iPhone to itunes
    2. Set iPhone into DFU Mode
    3. Itunes recognizes iPhone is in DFU mode, now hold SHIFT & Click RESTORE
    4. Click on iPhone1,2_3.1.3_7E18_Restore.ipsw
    5. Once iPhone is restored a error message will show up on itunes, use Recboot to kick it out out recovery mode.

    Now you should be on iOS 3.1.3 Original Factory settings, but still on Baseband 06.15.00

    Steps to Jail Breaking it:

    1. Open redsn0w-mac_0.9.4
    2. Here is the tricky part. Select the iPhone1,2_3.1.2_7D11_Restore.ipsw
    3. Once the IPSW is found. Click ok to start Jail Break
    4. Install Cydia, Optional custom boot logo if you want to
    5. Once finished, you should have a jail broken iPhone 3G.

    Steps to Unlock:

    *Make sure to turn of 3G*

    1. Connect to WIFI
    2. Open Cydia, it will take a while to load and update Cydia give it some time, it might restart the phone, if it does just re-open Cydia again.
    3. Once Cydia is done updating go to MANAGE
    4. Click SOURCES
    5. If you see 666.ultrasnow.com, go to next step
    -if not seen, Click on Edit button at the top-right and then click on Add button on the top-left. Enter ultrasn0w.com click on Add Source button.
    6. Let Cydia to add Ultrasn0w repo to your current Cydia sources. Once done, click on the Return to Cydia button to get back to Sources section. Tap on the repo name and then tap on Ultrasn0w tool.
    7. Now you will see Ultrasn0w repo in your Sources section.
    8. Click on Install button on the top-right to install Ultrasn0w tool.
    9. Once Ultrasn0w tool has been installed, click on Restart Springboard button and your iPhone should catch your carrier signals automatically. (insert carrier sim)

    Note: If your iPhone fails to pick signals after installing Ultrasn0w 1.2, reboot your iPhone after restarting Springboard. The trick worked for me!

 

 

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