Good news came just few minutes ago from semaphore ‏ a.k.a notcom that you can download TinyUmbreall iOS 6.1.3 support and save SHSH blobs on Mac just like on Windows. Untill now it was not possible to perform saving blobs on Mac. You can only dump SHSH Blobs for iOS 6.1.3 on iFaith 1.5.6 that works only on Windows. The new version of TinyUmbrella brings fixes for "a couple nagging issues". Also notcom added new feature. And this feature I think is support for saving SHSH of iOS 6.1.3 as well as APTicket validation. Let's see what he wrote at the beginning on Twitter: download tinyumbrella for ios 6.1.3 I can't say that this update is long-awaited but I'm sure that it is needed especially for Mac users. Also all iPhone, iPad and iPod Touch users who like to switch iOS versions with SHSH blobs know that TinyUmbrella is reliable tool. Also it is the best way to save blobs locally on your computer and make a copy because Cydia blobs don't work for downgrade. Only SHSH that were saved locally with TninyUmbrella or iFaith. So here are below you can get TU.

Download TinyUmbrella for iOS 6.1.3

After downloading you will need to extract the program on your computer and pass easy steps to backup blobs locally. Stay tuned for the guide how to perform it. I will write it for you as soon as possible but the method and steps is the same. Update: And now is the time to follow my guide on how to save iOS 6.1.3 SHSH blobs with TinyUmbrella and keep them in the safe place.