Many of our regular readers have been asking us about backup solutions for their devices after the release of iOS 6.1.2 and the jailbreak that followed shortly afterwards. I want to be clear here: automated backups can be very bad news. If you restore your tweaks without going through Cydia, and an update breaks a single tweak, you won't have a fun time attempting to find the incompatible package that crashes your phone at startup. While minor updates (like 6.1 to 6.1.2) are less likely to cause conflicts, the risk is never zero.
With that warning in mind, there are a number of options for backing up your Cydia tweaks when upgrading to iOS 6.1.2...