Unlock iPhone 4 and 3GS on iOS 6 with Ultrasn0w Fixer Patch [Old Basebands Only]

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Do you plan to update to iOS 6 but need to unlock your iPhone 4 or 3GS? Here’s the ultrasn0w fixer for iOS 6. Continue below on how to install it.


Important Notes:

1. Your iPhone 4 or iPhone 3GS running on 6 must already be jailbroken with its baseband preserved. You can jailbreak it with the latest redsn0w (download links are at the bottom of this post) or build a custom iOS 6 firmware to preserve your baseband.

Editor's note: learn more by reading our ebook on starting your own iPhone repair & unlock business

2. Supported basebands are listed below. Everything else is NOT supported.

3. You must install this patch first before installing ultrasn0w. Be sure to remove ultrasn0w before installing ultrsn0w fixer.

4. If you’re tried of jailbreaking and unlocking, please be aware that you can now officially unlock AT&T iPhone by clicking here or other worldwide mobile network here.

Ultrasn0w 1.2.8 for iOS 6 might be available soon, but in the meantime you can use this ultrasn0w patch to unlock your iPhone.

How to Install Ultrasn0w Fixer for iOS 6

1. Launch Cydia and add the following repo by going to Manage > Sources > Edit > Add:


2. Search for ultrasn0w fixer for iOS 6 and install it.

3. Finally, search for ultrasn0w (1.2.7) and install that too.

4. Reboot your device.

You should get a signal by now!

Download links for redsn0w 0.9.15b1

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Unlock iPhone 4 and 3GS on iOS 6 with Ultrasn0w Fixer Patch [Old Basebands Only] was last modified: October 15th, 2012 by Joe Wang

Comments & Discussion

  1. I have my

    iPhone 3Gs 6.0.1 jailbreaken with

    Redsnow and I followed all of

    these steps but still won’t read

    my SIM card and it says no

    service? please help me and oh I

    have the Baseband 06.15.00!

    Thank you.

  2. Thanks alot that really worthed……..Everyone please install the "ultrasn0w fixer for ios 6" first and then install normal "ultrasn0w" and then respring the phone or boot it using redsn0w…! It really works..if…you have right baseband..!! :D

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