How To Unlock iOS 5.1 Running On Your iPhone 4 & iPhone 3GS With Ultrasn0w Fixer

Well, now a days Huge dozen of news has been released starting from iPad 3 unveil and ending with iOS 5.1 release. We have released Redsn0w 0.9.10b6 to jailbreak iOS 5.1 on iPhone 4, 3GS, iPod Touch 4G, 3G and iPad. You can download Ultrasn0w Fixer To unlock iPhone 4 on iOS 5.1 from here. Follow our guide after the jump.

And now we have got an unlock solution for you, if you jailbroke your A4 iOS device you can get it unlocked too using ultrasn0w.
Unfortunately the ultrasn0w updated version is not released yet but we have Ultrasn0w Fixer for iOS 5.1 by developer zmaster. It’s not a public release yet but you can find it in the developer’s repo, supports only 01.59.00, 04.26.08, 05.11.07, 05.13.01, 05.12.01, 06.15.00 baseband.

Remember : If you didn't jailbreak your device yet and want to unlock it, You must to jailbreak it first using our guide

How To Unlock iPhone 4, 3GS On iOS 5.1 With UltraSn0w :

STEP 1: After you jailbreak Your idevice, open Cydia, click on Manage >> Sources then add this repohttp://repo.iparelhos.com.

STEP 2: Once the repo is added, search for ultrasn0w fixer for  5.1 and install it on your device.

STEP 3: After the installing is completed search for “Ultrasn0w”, version 1.2.5 on Cydia and install it.

STEP 4: Reboot your iPhone, insert your SIM card and congratulation you made it.