iH8Sn0w has update to Sn0wBreeze 2.9.10 brings support for jailbreaking iOS 6.1 untethered jailbreak. Sn0wbreeze 2.9.10 supports all A4 devcies and iPhone 3GS on iOS 6.1.2 and Apple TV 2 iOS 5.2. You can download Sn0wbreeze v2.9.10 from the links below. This tools has fixed issue sandbox fix Apple TV 2 iOS 5.2 and added iOS 6.1.2 support for 3GS/A4 devices.
Download Sn0wbreeze 2.9.10
Download Sn0wbreeze 2.9.10