jailbreaking is fun, as you know. however, sometimes you might need to restore for whatever reason and it will be when Apple is no longer signing the desired OS - OF COURSE!
this is a great video explaining how to save your blobs which NEED to be done if you plan on preserving your 6.1 jailbreak (or any that require it)
How to save iOS 6.1 SHSH blobs - YouTube
this is a great video explaining how to save your blobs which NEED to be done if you plan on preserving your 6.1 jailbreak (or any that require it)
How to save iOS 6.1 SHSH blobs - YouTube