https://www.macrumors.com/2013/02/25/ios-6-1-3-beta-2-fixes-exploits-used-for-evasi0n-jailbreak/
iOS 6.1.3 Beta 2 Fixes Exploits Used for Evasi0n Jailbreak - MacRumors
The upcoming iOS 6.1.3 update, which was seeded in beta form to developers last week, will put an end to new versions of the evasi0n jailbreak. Forbes reports...
ios 6 1 3
https://osxdaily.com/2013/03/19/ios-6-1-3-released-with-minor-fixes-improvements/
iOS 6.1.3 Released with Minor Fixes & Improvements [Download Links]
ios 6 1 3released