It was a big day today with the release of evasi0n iOS 6.0 / 6.1.6 jailbreak, but there are many people who are hesitating to update to the latest firmwares because there’s no unlock.

ultrasn0w unlock iOS 6.1.6

Well, they would be glad to know ultrasn0w fixer has been updated to support iOS 6.1, with preserved iOS 6.1 firmware baseband.

Ultrasn0w fixer unlock for iOS 6.1.6

It’s not the official ultrasn0w tool created by the iPhone Dev Team. Rather, it’s a package that works along with the official tool for basebands that are compatible and can be unlocked. This tool can be used until the release of the official one.

Supported Devices with Ultrasn0w fixer iOS 6.1.6

  • iPhone 3GS iOS 6.1.6
  • iPhone 4 iOS 6.1

iOS 6 Basebands compatible with ultrasn0w fixer 6.1.6

Ultrasn0w is free unlocking tool that is compatible with older basebands, to preserve your iOS 6.1 baseband you need to create custom iOS 6.1 iPSW using Redsn0w 0.9.15b3.

  • Baseband 01.59.00 on iPhone 4
  • Baseband 05.13.01 on iPhone 3GS
  • Baseband 05.11.07 on iPhone 3GS
  • Baseband 05.12.01 on iPhone 3GS
  • Baseband 04.26.08 on iPhone 3GS
  • Baseband 06.15.00 on iPhone 3GS

Unlock iOS 6.1.6 with ultrasn0w fixer [Tutorial]

Step 1: Jailbreak your iPhone using our guide.

Step 2: Launch Cydia from your device.

Step 3: Go to Manage > Sources. Tap on Edit, which is located at the top right corner of the screen.

Step 4: Enter the following URL repository:

iOS 6.1.6 Unlock
Add Ultrasn0w fixer 6.1 repo

Step 5: Tap on Add Source.

Step 6: A package for ultrasn0w fixer 6.1 will be displayed. Tap on it to start installation.

Unlock iOS 6.1.6
Ultrasn0w fixer iOS 6.0

Step 7: Download the official Ultrasn0w 1.2.7 tool and that’s it.

How to unlock your iPhone if it isn’t compatible with ultransn0w 6.1.6 fixer?

In this case, you will need to use factory unlocking. This unlock solution is permanent and can be used with any IOS firmware including the newest iOS 6.1.6 firmware on any iOS device including iPhone 5, 4S, 4 and 3GS. Read our guide on how to unlock iOS 6.1.

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Stephan Popov
When iDevice users experience problems with the iOS software or unlocking, it is not uncommon for their lives to unravel. My passion is providing answers to your problems. I help iPhone, iPad and iPod Touch users by recommending fixes for common iOS bugs and tools that improves your experience. I conduct in-depth research for every topic i cover on this blog, to ensure that I cover everything Apple users need to troubleshoot their issues. When not writing for UnlockBoot, i enjoy swimming in my backyard pool. P.S. i prefers the Maldives for holidays. Connect with me on Facebook, Google Plus and Twitter.