Technically, it’s not possible to that has been updated to 4.1 because there is no unlock available for the 4.1 baseband. Now depending on your situation, there might be a way to unlock your iPhone.an
If you are still on guide here). This will make sure you update to the latest iOS version but don’t update the baseband, which is the key part in unlocking your iPhone….1 (or even earlier version. ie 3.1.3), then you can use to your iPhone while preserving the baseband (see our
Again, if you have already updated to iOS 4.1 and upgraded your baseband, you will not be able to unlock. There probably won’t be any unlock for iOS 4.1 and you’ll most likely have to wait for iOS 4.2.
This being said, here is what you have to do to unlock your iPhone 4.1 using UltraSn0w. This will work for the , , and .
Step 1: Make sure you’re still on iOS 4 or iOS 4.0.1.
Step 2: Jailbreak your iPhone using.
Step 3: Go to UltraSn0w. Download and install UltraSn0w.and search for
Step 4: Reboot your iPhone. Done!
You should now have an iPhone unlocked with UltraSn0w.