Unlock iPhone 4 or iPhone 3GS on iOS 6.1
The iOS 6.1 is an innovative operating system which is being used abundantly by all iPhone users. However if you want to use the iOS 6.1 operating system on a jailbroken phone, you’ve come to the right place to find out how to do it! Ultrasn0w has been a veteran name in the jailbreaking world and it consistently provides the Iphone user base with anything and everything they may need. Let us get into what you need to know before you unlock your iPhone 4 or iPhone 3GS on the iOS 6.1!
First and foremost you should be aware that the Ultrasn0w 1.2.8 unlock only works for the iPhone 3GS and iPhone 4, do not use it on any other iPhone model. Secondly if you are new to jailbreaking and unlocking, you should make sure your phone is properly jailbroken before trying to unlock it. Before unlocking your phone you will need to preserve your smartphones basebands by using the Snowbreeze 2.9.8 software.
Now let’s get into how you will unlock your iPhone 3GS/iPhone 4.
Step 1: This step is for those who do not have their iPhone already jailbroken, use evasi0n or Snowbreeze to jailbreak your iPhone on iOS 6.1.
Step 2: Find Cydia on your Springboard and then run it.
Step 3: Select the Manage option which will be available at the bottom of the screen, and then continue on to select the “sources” option.
Step 4: Now select the Edit, then Add options and a new prompt bar will open. In the prompt bar add the follow repo: http://repo666.ultrasn0w.com/. Select “add resource” and now return to Cydia.
Step 5: After having added the source repo, search for ultrasn0w in Cydia, and once found install it to your smartphone.
Step 6: After the installation is successfully completed, the unlocking process will commence.
Step 7: Once the unlocking process has completed, reboot your Iphone 3GS/Iphone 4!
You’re smartphone should now properly be unlocked on the 6.1 IOS jailbreak!