How to jailbreak iOS 6 beta on your A4 device
Step 1: Download the latest version of Redsn0w for Windows or Mac OS X
Unlock 4.11.08 iPhone Jailbreak 5.1.1 Gevey 4S 2.0.12 Unlock 4.12.01: Jailbreak & Unlock iOS Downloads
Step 2: Unzip the downloaded file.
Step 3: Download iOS 6 beta for your iPhone, iPad or iPod touch
Step 4: Start Redsn0w and go to Extras -> Select IPSW.
Step 5: Find and select the iOS 6 beta firmware iPSW file.
Step 6: On the Home screen, click the Jailbreak button.
Step 7: Now Redsn0w is ready to jailbreak your iOS 6 device, but before it you will need to put your device in DFU mode:
Step 2: Unzip the downloaded file.
Step 3: Download iOS 6 beta for your iPhone, iPad or iPod touch
Step 4: Start Redsn0w and go to Extras -> Select IPSW.
Step 5: Find and select the iOS 6 beta firmware iPSW file.
Step 6: On the Home screen, click the Jailbreak button.
Step 7: Now Redsn0w is ready to jailbreak your iOS 6 device, but before it you will need to put your device in DFU mode:
Hold down the lock button for 3 seconds.
Without releasing the lock, press the Home button for 10 seconds.
Hold down the Home button then release the lock button.
Keep holding the button for 30 seconds, after which the procedure will Redsn0w.
When you see a gray background on the screen, you can let go of the button.
Step 8: As soon as DFU mode will be detected by Redsnow 0.9.13dev1, all additional steps will be automatically finished by Redsnow. As we say before the start, the ios 6 jailbreak is tethered (your device need to be rejailbroken after every restart).
Without releasing the lock, press the Home button for 10 seconds.
Hold down the Home button then release the lock button.
Keep holding the button for 30 seconds, after which the procedure will Redsn0w.
When you see a gray background on the screen, you can let go of the button.
Step 8: As soon as DFU mode will be detected by Redsnow 0.9.13dev1, all additional steps will be automatically finished by Redsnow. As we say before the start, the ios 6 jailbreak is tethered (your device need to be rejailbroken after every restart).