If you haven't applied the leak yet.
Beanstown106 has created a KitKat ROM that can be Flashed to convert over to 4.4.2 and keep Root and Safestrap, the link for that is here. All Credit to
Beanstown106
★ [ROM/ROOT][N900VVRUCNC2][4.4.2] Stock Root Odex [04/21/14]★ - xda-developers
If you want to try this ROM, you will need to have Root, Safestrap and be running JB 4.3. If you took the leak update to 4.4.2 you can downgrade with Odin use the instructions from here,
Samsung Galaxy Note 3 ?Verizon? Kit-Kat ? SXTP-Developers except download the MJE tar file from here,
[GUIDE] VZW Note III Edition[Return to Stock or recover from a Soft Brick and More] - xda-developers .
Basically, what you are doing is turning the device off, then put it into download mode-> Volume<down>+Home+Power. Connect Odin, plug in device select AP, find the MJE.zip extract the MJE tar file. Install the MJE tar file this will Roll your device back to JB 4.3. Back on JB 4.3, set your settings back to get started. Then re-root with Kingo thanks to YankinDaSouth for the link,
https://www.dropbox.com/s/44v8shesl0uoc02/android_root.exe . Once Root is restored, go ahead and get back Safestrap,
[RECOVERY LOCKED/MI9,MJ7,MJE] Safestrap Recovery v3.71 [2013-12-27 BETA] - xda-developers and go to Beanstown106's 4.4.2 thread and flash away....
★ [ROM/ROOT][N900VVRUCNC2][4.4.2] Stock Root Odex [04/21/14]★ - xda-developers