Those who haven't heard yet that Sn0wbreeze 2.9.14 can do many useful things better download it here. You will be able to jailbreak iOS 6.1.3, try to downgrade if you have SHSH blobs saved by iFaith.
Downgrade is very important now because there is no untethered jailbreak for iOS 6.1.3 but there is evasi0n jailbreak for iOS 6.1.2 and lower.
Also you can try to preserve iPhone baseband while updating or jailbreaking to unlock iPhone using Ultrasn0w or Gevey or any other solution that depends on baseband.
This latest version of sn0wbreeze also supports APTicket validation, in light of the recent issues with APTickets. If you’re aWindows user (sn0wbreeze is for Windows only), and are looking for a way to jailbreak iOS 6.1.3 on your pre-A5 device with a tethered jailbreak, then this latest version of sn0wbreeze is your ticket to freedom.
You can download the latest version of sn0wbreeze 2.9.14 here and launch it on Windows. This tool is not supported on Mac computers so don't forget about this.
As usual, though most people rely on factory unlocks these days, sn0wbreeze is great for preserving your baseband on devices used with UltraSn0w to unlock your device. Again, just to reiterate, this is a tethered jailbreak only. Head over to our downloads page to download sn0wbreeze version 2.9.14 right now if you’re at all interested.