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How to Jailbreak iOS 6 GM iPhone 4, 3GS, iPod touch 4G & UnTethered Reference

Yesterday, Apple held an exclusive iOS 6, iPhone 5 and iPod touch 5G (fifth-generation) unveiling media event and released the iOS 6 Gold Master candidate. Now, less than one day after the event, the iPhone Dev Team updated their popular RedSn0w utility to include support for the new Golden Master seed. However, unfortunately, this new iOS 6 jailbreak will not install Cydia (the main graphical user interface for downloading and installing third-party tweaks and packages) - we’ll elaborate on Cydia’s absence towards the end of this tutorial.

iOS 6.0 Golden Master (GM) Seed

While we’ve explained what the iOS 6 GM firmware means in previous posts here on JailbreakingiOS6, this is an ideal opportunity to review. The GM or Gold Master firmware, often referred to as Golden Master, Gold Masters or GoldMaster, is essentially the final release. All of the iOS 6 features are included in the Gold Master seed and all acknowledged bugs have been addressed. The only real difference is that iOS 6 GM is indented for Apple Developers - however, it’s extraordinarily easy to circumvent Apple’s intentions.

Install iOS 6 GM, Gold Master, without a UDID / Developer Account : 

In all beta firmwares, Apple implements measures to ensure that an iOS Device’s UDID or Unique Device Identifier is registered through a developer’s account before in order to successfully restore. However, a simple workaround was discovered in the days of the iOS 5 beta firmwares that still works today.

First, it’s required that the user downloads Apple’s new iOS 6 Gold Master firmware (a simple search should do the trick), as well as the latest public release, which is currently iOS 5.1.1. Next, ensure that a backup is created of the iDevice via iTunes and restore to the latest 5.1.1 firmware. Finally, simply press option (on a MAC or shift for Windows), click Check for Update and point iTunes at the new iOS 6 Gold Masters build.

Jailbreak Apple’s iOS 6 GM firmware iPhone 4, 3Gs and iPod touch :

Although previously stated, only the following devices are compatible with the GM jailbreak:

• iPhone 4 - CDMA and GSM versions
• iPhone 3GS
• iPod touch fourth-generation

Step 1: Download the newest dev version of the ever-poular Redsnow utility from one of the links listed below and run the program. Also, be sure to right click redsn0w, set compatibility mode for Windows XP service pack 2 and grant Administrator privileges if you’re on windows 7 or Vista.

Step 2: Once the GM jailbreak utility is open, navigate to Extras, Select IPSW and point Redsn0w at your iOS 6 Gold Masters IPSW. Continue, confirm that the install SSH option is checked and click Next.

Step 3: Click back to the main screen and select the option to jailbreak. Now that we’ve come this far, you’ll need to set your iOS device into DFU mode. This can be accomplished by holding down the home and power buttons together for ten seconds, once complete, let go of the power button and continue holding the home button for an additional ten seconds. If your device’s screen is black and the RedSn0w instruction screen is automatically bypassed, you’ve successfully entered DFU mode.

Step 4: Wait for the entire jailbreak process to conclude and for your device to reboot. Once it has, completely close out of Redsn0w and reopen it. As a note, if you’re on windows XP or Vista, you’ll have to run RedSn0w as an Administrator (there’s no need to set it to compatibility mode this time, as that was already done in the first step).

Step 5: Now that Redsn0w is open again, navigate back to Extras, Select IPSW and browse for the iOS 6 GM seed. After identifying the build, Redsnow will prompt you to proceed. Simply click OK. Select the Just boot option and enter DFU mode for a second time. Again, this can be accomplished by holding the power and home buttons together for ten seconds, letting go of the power button and continuing to hold the home button for an additional ten seconds. Once you’ve completed these five simply steps, your device has been successfully jailbroken.

Developer GM RedSn0w Downloads: 

• redsnow 0.9.13dev4 - MAC OS X
• redsn0w 0.9.13dev4 - windows PC

UnTethered and Cydia support : 

Cydia isn’t present in this release due to incompatibilities. It’s as simple as that. Once iOS 6 is released to the public next week on September 19^th,  the Dev Team will work to release an updated version of RedSn0w with support for Cydia.

Unfortunately, because this is a Tethered jailbreak, it’s required to repeat step 5 every time your device reboots because it isn’t an UnTethered jailbreak. Without getting technical, a Tethered jailbreak differs from an UnTethered jailbreak in the sense that it relies on the assistance of utility to reboot. Also, because of the exploit(s) used to create a Tethered jailbreak, it’s only compatible with older devices. While there will be UnTethered jailbreaks released for versions of iOS 6 in the future, it won’t be any time soon. The Dev Teams will more than likely want to test various exploits and methods on the new iPhone 5 and 5th-generation iPod touch before releasing an UnTethered jailbreak.

Subscribe to our Jailbreak iOS 6 GM and JailbreakingiOS6 feed to be immediately notified once an iOS 6 jailbreak with Cydia is release. The same goes for an UnTethered 6.0 jailbreak - we’ll keep you updated.