UltraSn0w unlock by the iPhone Dev Team is a software unlock for iPhone. Our guides and tutorials will show you how to unlock your iPhone with UltraSn0w.

Experiencing Battery Drain After Unlocking your iPhone with UltraSn0w? Here is a Fix

A few people have been experiencing an unusual drain of their iPhone battery after unlocking with UltraSn0w. The problem doesn’t actually come from UltraSn0w itself, but from the hacktivation process, for those of you who have hacktivated instead of activating the phone with an official carrier.

According to BigBoss, the issue comes from iOS 4.1 and 4.2.1 which constantly look for valid push certificates, either via wifi or your data plan (Edge or 3G). If you’re not on an unlimited data plan, this can get pretty expensive, especially if you don’t keep an eye on it.

There are 3 potential solutions for this…

How to Unlock Your iPhone 4.2.1 with UltraSn0w

The Dev Team has updated their UltraSn0w iPhone unlock for iOS 4.2.1. UltraSn0w 1.2 will unlock iPhone 4 baseband 01.59.00 and iPhone 3G/3GS basebands 04.26.08, 05.11.07, 05.12.01, 05.13.04 and now 06.15.00.

If your iPhone 4 is not on baseband 01.59.00, you will not be able to unlock it. If your iPhone 3G or 3GS is on one of the baseband version mentioned above, then you can follow the instructions below…

How to Prepare your iPhone 4.2.1 for Unlock using RedSn0w

We’ve seen yesterday that we the release of the updated UtraSn0w unlock, there are a few to be met to unlock iPhone 4.2.1. This unlock will work for the iPhone 3G or iPhone 3GS with baseband 04.26.08, 05.11.07, 05.12.01, or 05.13.04. It will also work with iPhone 4 with baseband 01.59.00.

But what happens if you’re not on one of those basebands? Depending on your phone model and configuration, you might have to update the baseband to 06.15.00, which is fully unlockable, then unlock using UltraSn0w.

In this tutorial, I will show you how to use RedSn0w to update your baseband to 06.15.00 so you can unlock your iPhone 3G/3GS 4.1.2…

UltraSn0w iPhone Unlock for iOS 4.2.1 is Available

Not even a week after iOS 4.2.1 was released, and following the update of the RedSn0w jailbreak, the Dev Team delivered today an update to their UltraSn0w unlock for iOS 4.2.1.

This unlock will work for the iPhone 3G or iPhone 3GS with baseband 04.26.08, 05.11.07, 05.12.01, or 05.13.04. It will also work with iPhone 4 with baseband 01.59.00…

UltraSn0w Unlock Working Fully on iPhone 4.2.1

A couple days ago we informed you that the UltraSn0w unlock for iPhone iOS 4.2.1 was supposedly going to drop this Sunday. According to a recent tweet from Dev Team member MuscleNerd, it seems we are on the right track for a release on schedule.

This UltraSn0w unlock for iOS 4.2.1 will work with the iPhone 3G and 3GS. It will not work with the iPhone 4 yet, but it’s being worked on…

iPhone 4.2.1 UltraSn0w Unlock to Drop this Weekend

Some very comforting news on this cold Thanksgiving day, as MuscleNerd confirmed today that the iPhone unlock for iOS 4.2.1 will most likely be released this Sunday or even before.

This is good news, especially for those of you who still are using an iPhone 3GS or 3G. It is however not as good news for iPhone 4 users because there won’t have an unlock for iPhone 4 for a little while…

How to Update Your iPhone to iOS 4.1 and Make Sure You Can Unlock with UltraSn0w

Technically, it’s not possible to unlock an iPhone that has been updated to iOS 4.1 because there is no unlock available for the iOS 4.1 baseband. Now depending on your situation, there might be a way to unlock your iPhone.

If you are still on iOS 4.0.1 (or even earlier version. ie 3.1.3), then you can use PwnageTool to jailbreak your iPhone while preserving the baseband (see our 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…

Bad News: There Won’t Be an iOS 4.1 Unlock

We just gave you the bad news that there won’t be an iPhone 3GS iOS 4.1 jailbreak, and unfortunately, we have more bad news, especially for unlockers. According to iPhone hacker Veence, there will not be an unlock for any baseband on iOS 4.1.

So why is that? I’ve got my ideas…

Important Note About the iPhone iOS 4.1 Unlock

Looking to unlock your iPhone running iOS 4.1? We’ve got some good news and some bad news for you… Let’s start with the bad news, shall we?

The bad news is that if you’ve already updated your iPhone to iOS 4.1, you will not be able to unlock it, at least for the time being. MuscleNerd confirmed that UltraSn0w will not work on any iOS 4.1 baseband and that you cannot downgrade to a previous version.

And now for the good news…

How to Unlock iPhone 3G iOS 4.0.2 with UltraSn0w

This step by step guide and tutorial will show you how to unlock your iPhone 3G iOS 4.0.2 using UltraSn0w 1.1-1. At the time I am writing this, it will only work with the iPhone 3G since there is no jailbreak for other devices.

Step 1: Jailbreak your iPhone 3G using RedSn0w.

Step 2: Go to Cydia and search for UltraSn0w. If it’s not there, you might have to add the following repo: repo666.ultrasn0w.com

Step 3: Install UltraSn0w.

Step 4: Reboot your iPhone.

You’re done. You should now be able to use your iPhone 3G with any carrier.

UltraSn0w Unlock Used on 784,974 iPhones Within the Last 5 Days

Some quick stats for you about the UltraSn0w unlock for iPhone. According to the Dev Team, UltraSn0w was used to unlock 784,974 iPhones within the last 5 days. That’s huge! Wondering what countries are the largest users of UltraSn0w? Have a look at the numbers above. USA is #1, followed by China and Germany.