Here is the deodex patch for the KK4.4.4 fw 14.4.A.0.108
Installation procedure. Please follow carefully!
1. Download the deodex patch.
2. Flash the FTF from HERE
3. Now go HERE and download the EasyRootTool v7.zip. Works fine on the 4.4.4
4. Once rooted, install from the playstore the SuperSU. It will ask you to update to the latest binary. Do so (choose Normal mode and not the recovery mode).
5. Now go HERE and download the installer of the latest dual recovery for the Z1. Fire it up and select the option number 1.
6. Install the recovery
7. Now copy the patch you previously downloaded on your phone and reboot in recovery.
8. Install the patch.
9. Wipe cache and dalvik cache.
10. Enjoy and happy modding!
DjeMBeY for providing the FTF file!
tracer123 for the mirror