How To Install iOS 6.1 Beta: Apple released iOS 6.1 Beta (build 10B5095f) two days back for devs along with iOS 6.0.1 firmware for iPhone, iPad and iPod touch. The purpose of releasing beta version of next generation iOS firmware is to help iOS devs to test their apps compatibility with new iOS firmware. Registered Developer can easily download iOS 6.1 Beta from iOS Devs Center and install with official UDID. While users who are not registered Developers and want to install iOS 6.1 Beta can also install iOs 6.1 beta without UDID or Apple Developer Account.
How to Install iOS 6.1 beta Without Developer Account
Step 1: Launch iTunes to restore your iPhone, iPad or iPod touch to the firmware you have downloaded from the above.
Step 2 : Connect the iPad, iPod touch or iPhone you have to PC or Mac and click Restore button along with Shift (for PC) or Option (for Mac) key depending on the computer you are using.
Step 3: Now choose the iOS 6.1 IPSW file you have downloaded earlier. Waih till iTunes restore process finished and you will see a new activation scree to activate your iDevice.
Users can also jailbreak tethered iOS 6.1 Beta with latest version of Redsn0w 0.9.15b3.