Originally Posted by diba
most likely they messed up the whole System again.
NOT installed yet, wait for first reports if it is worth to do ...
Actually updating the KT of my sister in law ... hahaha, so I do not spoil mine.
Since it is part of the 5.3.x series of (locked down) firmware -
I strongly suggest you leave that update alone until one of the dev's here can check if the Jailbreak survives the update.