iPhone Dev team has released Redns0w which lets developers to tethered jailbreak their iPhone, iPad and iPod touch running on iOS 6 beta 1.Earlier, MuscleNerd had successfully jailbroken iOS 6 beta but Cydia was broken and not compatible with iOS 6.
redsn0w tethered iOS6 jailbreak for 3GS and A4 devices http://is.gd/MCbq7A (developers ONLY please! .. no Cydia, just SSH+afc2)
RedSn0w 0.9.13dev1 is only for developers and provides a tethered jailbreak for developers on iOS 6 beta 1.Only SHSH is available and is tethered use redsn0w to “Just boot” button when you want to reboot your device.
No new exploit is used,it uses geohot’s limera1n bootrom exploit.
RedSn0w 0.9.13dev1 Jailbreak Supports following devices
iPhone 4 (CDMA)
iPhone 4 (GSM)
iPod Touch 4G
Developers who have registered UDID can activate this version as it is not being hactivated.
iPhone Dev Team warns unlockers and those preserving their unlockable basebands to stay away from this jailbreak.
If you are iOS developer then you can download RedSn0w 0.9.13dev1 for Windows or Mac OS X to test your apps from the links below.
Download RedSn0w 0.9.13dev1 for Windows (run in Administrator mode)