Thursday, December 22, 2011

How To Unlock iOS 5.0.1 With Ultrasn0w 1.2.5 On Your iPhone 4 And iPhone 3GS

You need to unlock iPhone 4 and iPhone 3GS running on iOS 5.0.1 firmware, So Ultrasn0w 1.2.5 and Redsn0w 0.9.9 b9d will help you to unlock iOS 5.0.1 on your iPhone 4 and iPhone 3GS. Three days ago we have reported you that MuscleNerd the brain thinker over iPhone dev team will release Ultrasnow 1.2.5 to unlock iOS 5.0.1 on iPhone 4 and iPhone 3GS by next Monday.

Note: Ultrasnow 1.2.5 is a minor update as it will unlock the unlockable basebands on iOS 5.0.1.

Basebands supported by Ultrasnow 1.2.5 :

  • 01.59.00

  • 04.26.08

  • 05.11.07

  • 05.12.01

  • 05.13.04

  • 06.15.00

  • Q: How can I know my iPhone's baseband ?
    Ans: Go to Settings >> General >> About >> Modem Firmware.

    Download Requirements :

    Download Redsn0w 0.9.9 b9d ( Windows / Mac )
    Download iOS 5.0.1 IPSW Firmware For All iDevices.
    Download iTunes 10.5.2

    To unlock iPhone 4, 3GS with ultrasnOw 1.2.5 on iOS 5.0.1 you have to know that :

    You should to jailbreak your iPhone 4 or iPhone 3GS with Redsnow or sn0wbreeze using custom ipsw firmware to preserve your old basebands to be able to unlock your iPhone with ultrasn0w 1.2.5. If you are using Gevey SIM you can follow the following guide.

    How To Unlock iOS 5.0.1 On iPhone 4 and iPhone 3GS With Ultrasnow 1.2.5 :

    Step 1: Connect your iDevice with your PC via USB and open Redns0w you just downloaded above.

    Step 2: Start Redsn0w, press on "Extras" > "Custom IPSW" and then point Redns0w to iOS 5.0.1 ipsw firmware that you downloaded above.

    Now Redsn0w will start cooking your custom iOS 5 ipsw firmware.
    Step 3: Click on "Pwned DFU".
    Step 4: Now make sure your device is both OFF and PLUGGED IN to the computer before you click “Next”.
    At this stage you will be presented with a screen where you will be guided on how to enter DFU mode. Quickly hold “Power” button and then while holding the “Power” button, you will now have to hold “Home” button too. Now after few seconds release “Power” button but keep holding “Home” button until installation begins.

    Step 5: Open iTunes then Restore your iPhone 4, 3GS to the Custom iOS 5.0.1 ipsw (the file name begins with NO_BB).

    Step 6: Now Open Cydia > Manage > Sources > Edit > Add then write the following repo :

    Step 7: After installing this repo, tab on search and search for ultrasnOw then install it.

    You have succeeded and already unlocked your iPhone 4 or iPhone 3GS Running on iOS 5.0.1 with Ultrasn0w 1.2.5. Congratulation.

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