If you're running any iOS version earlier than iOS 7.0.6, then you really should update to iOS 7.0.6
to fix a very serious SSL connection verification bug that could leave you open to man-in-the-middle networking attacks. iOS 7.0.6 can be jailbroken with evasi0n7 version 1.0.6
, so there's really no downside to upgrading.
On the other hand, if you don't want to upgrade from iOS 6 to iOS 7.0.6 because you just can't stand iOS 7, or you're just