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The popular unlocking tool Ultrasnow fixer has been updated to unlock iPhone 4 and iPhone 3GS on iOS 5.1. The newly released firmware from Apple. So if you rely on carrier unlock go ahead and download Ultrasnow fixer to unlock iPhone on iOS 5.1 by following the guide below.
If you are unaware of Ultrasnow fixer’s history; it is a tool developed to unlock iPhone 4 and iPhone 3GS with the help of Ultrasnow, the popular unlocking tool from the iPhone dev team. It mainly unlocks those basebands which are supported with Ultrasnow.
The new ultrasnow fixer does not support any new basebands in the latest version for unlocking iPhone on iOS 5.1. These are the basebands that it will unlock.
Unlockable basebands with Ultrasnow fixer iOS 5.1
iPhone dev team has mentioned that they are going to release Ultrasnow for iOS 5.1 in a couple of days but if you simply can’t wait to unlock your iPhone on iOS 5.1 follow our guide below to unlock your iPhone 4/3GS.
Ultrasnow Fixer Unlock iOS 5.1
You will need to have a jailbroken iPhone 4 or iPhone 3GS depending on which one you want to unlock. If not already jailbroken head over to this link to jailbreak your iOS device.
While upgrading to new firmware remember to preserve your baseband. If baseband is not preserved here over to this link to follow the guide for preserving baseband.
STEP 1: Download iOS 5.1 with a preserve baseband and jailbreak it.
STEP 2: Once jailbroken launch Cydia and go to Manage > Sources
STEP 3: Tap Edit at the top right corner and add the following repo: http://repo.iparelhos.com
STEP 4: Once you have added the repo go back to sources and tap on the repo you just added.
STEP 5: You will now see “Ultrasnow fixer for 5.1”. Simply install it.
STEP 6: After installing ultrasnow fixer for iOS 5.1. Search for “Ultrasnow 1.2.5” and install it.
STEP 7: Reboot.
That’s it! You have successfully unlocked iPhone 4 or iPhone 3GS on iOS 5.1.
If you find any problems while getting your iPhone unlocked via ultrasnow fixer for iOS 5.1. Comment below and we will get to you.