Apple has just seeded its 4th beta for iOS 6.1 for all iOS devices which including its devices, iPhone, iPad, iPod touch, and Apple TV. The update is only available to registered developers who are enrolled in the iOS development program. But the good news with the release is that they can make a TETHERED JAILBREAK on the iOS 6.1 beta 4 thanks to the ready jailbreaking tool, Redsn0w.