iPhone 4 and iPhone 3Gs Unlock for iOS 4.3.2 has been released but you will be surprised its not MuscleNerd this time. iPhone Hacker DjayB6 released the Unlock named as “Ultrasn0w Fixer For 4.3.2” which works on Ultrasn0w to unlock iPhone 4 and iPhone 3Gs running on iOS 4.3.2. You will have to first Jailbreak and then use the Ultrasn0w Fixer for 4.3.2 to Unlock. Read after the break.

IMPORTANT:
Please have a look into which basebands are compatible and which are not compatible with Ultrasn0w Fixer for 4.3.2. You can only unlock if your iPhone baseband is in the compatible list. To check your baseband go to Settings >General > About and Modem Firmware version.
- Ultrasn0w Fixer Unlock Compatible Basebands: (01.59.00 / 04.26.08 / 05.11.07 / 05.12.01 / 05.13.04 / 06.15.00)
- Ultrasn0w Fixer Unlock Not Compatible Basebands: (02.10.04 / 03.10.01 / 04.10.01 / 05.14.02 / 05.15.04 / 05.16.01)
Unlock iOS 4.3.2
Step 1: If you are sure your baseband is in the Compatible list, you can follow the guide below. First you need to Jailbreak iOS 4.3.2 using PwnageTool. Remember do not use Redsn0w Jailbreak it will not preserve your baseband.
Step 2: After successful Jailbreak with PwnageTool. You can continue to unlock your iPhone using Ultrasn0w Fixer for 4.3.2.
- Run the Cydia app.
- Now go to Manage tab. You can find it in the bottom bar.
- Your screen will change. Now go to Sources.

Step 2:
- Touch on Edit and then Add.

- A window will ask you to enter a url. Enter the url http://djayb6.com and hit Add Source button.
- Now wait for Cydia to install required files.
- After installation go to search in Cydia and search for ultrasn0w fixer for 4.3.2.
- Install this ultrasn0w fixer for 4.3.2 app.

Your iPhone will be unlocked once Ultrasn0w fixer 4.3.2 is installed successfully.
- Restart your iPhone.
Congratulations, you have an unlocked iPhone on iOS 4.3.2
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Unlock for iPhone 3G/3Gs BaseBand 05.15.04 and iPhone 4 BaseBand 01.59.00 is completed

Can anyone confirm if this works?
What about other basebands? Can we excpect something similar for other
basebands or we must change them to compatible ones?
Thanks
Tried this for 4.3.1 and dosent work , unlockiphone4k method is better
it worked on 4.3.1…i gonna wait a tad bit longer
I GET AN ERROR WHILE LOADING STATING COULD NOT LOAD CELLULAR DATA….
I DID IT……IT WORKS THANKS 4.3.2……AWESOME SERIOUS
WOW!! Guys it really works (Iphone 3gs 4.3.2 6.15.00 BB). Thanks DjayB6!!!!!
It works for me (3gs on 4.3.2). ultrasnow didnt work for me so i tried this.
great work. for older firmwares use the dev teams ultrasnow.
Why Apple produce Iphone with difficulty for user?
I feel headache with the Jaibreak, Unlock…..
This fixer not unlock virgin mobile in canada on iphone 4 with the baseband 01.59.00
Really works!!! I bought a used 3gs with IOS 4.3.1 and BB 06.15.02 ….
Using Sn0wBreeze 2.6, Ultrasnow 1.2.1 and this tool after TinyUmbrella 4.32 with SHSH for IOS 4.0 BB 05.16.02 was able to kill the 06.15.02 BB, and rewrite the 05.16.02 with 06.15.00 BB …. et voila!! T-Mobile is now working just fine on my Iphone 3GS, 32 gb, Thanks …
Confirmed to work great iPhone4 4.3.2 BB 01.59.00 T-Mobile
2.Ultrasn0w Fixer Unlock Not Compatible Basebands: (02.10.04 / 03.10.01 / 04.10.01 / 05.14.02 / 05.15.04 / 05.16.01)
IF your BB ON THIS LIST …. It’s NOT working
Then somebody makes smthg to unlock BB 4.10.01 my iphone/ipod is crying