Apple has released iOS 6.1.3 beta 2 to developers for iPhone, iPad, and iPod touch. Apple says it fixes the Lock Screen bug reported last week.
The first beta was known as iOS 6.1.1 beta 1, but it has been renamed to iOS 6.1.3 due to the recent public releases of iOS bug fix updates. As we previously covered iOS 6.1.3 includes several enhancements to the Maps application for Japan.
It is unknown at this time if the update also plugs the exploits used in recent jailbreaks. A target date for a public release of iOS 6.1.3 is unknown.