Unlock iPhone 4 3GS On iOS 4.3.2 Using Ultrasnow Fixer(Guide)

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You can now unlock your iPhone 4 3GS with Ultrasnow 1.2.1 as it now works with the latest firmware iOS 4.3.2 using ultrasnow fixer. Here’s how to do it.


  • These basebands are supported 01.59.00 / 04.26.08 / 05.11.07 / 05.12.01 / 05.13.04 / 06.15.00
  • These basebands are not supported 02.10.04 / 03.10.01 / 04.10.01 / 05.14.02 / 05.15.04 / 05.16.02



STEP 1: Jailbreak your iPhone 4 3GS on iOS 4.3.2. If not already jailbroken you can jailbreak it by going here.

STEP 2: Open Cydia on your iPhone 4 or 3GS

STEP 3: Go to Manage then Sources

ultrasn0w fixer 4.3.2 01

STEP 4: Now select “Edit”, then tap on “Add”, and type  http://djayb6.com

ultrasn0w fixer 4.3.2 02


STEP 5: Now tap on “Add Source” then tap on Done.

STEP 6: Search for “ultrasn0w fixer for 4.3.2” in Cydia and install this application. This app will automatically unlock your iPhone so that you can use it with any carrier.

ultrasn0w fixer 4.3.2 03

STEP 7: Now all you need to do is just restart your iPhone.

Congrats you have unlocked iPhone 4, 3GS on iOS 4.3.2 using ultrasnow fixer

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7 Comments to Unlock iPhone 4 3GS On iOS 4.3.2 Using Ultrasnow Fixer(Guide)

  1. Sn0wbreeze and UltraSn0w Fixer 4.3.2 worked fine and I’m now unlocked on 4.3.2. Cydia now indicates an UltraSn0w upgrade. Should I upgrade it or leave it as is?

  2. I have unlocked 3g3 with the 06.15 baseband with ultrasnow but my phone says cannot find repository? anyone

  3. Hi,

    Ultrasnow Fixer and djayb6 are not available , are there any other ways of unlocking the iphone 4 4.3.2 please


  4. i did not notice the baseband are not supported part and updated my iphone 3gs from 4.0 to 4.3.2 using itunes and jailbreak it using redsnow… Unfortunately when i read this thread again carefully i realized that i did a big2 mistake…. What should i do know… How can i change my baseband so i could unlock it… According to my reading if you downgrade your firmware you still cant change your baseband.. I dont want to loose my gps capabilities on my phone because according to my reading if you upgrade your baseband to ipad baseband you might loose this capabilities… Any suggestion??

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