I created deodex tool based on kamome tool for Xperia 4.4.
This tool supports all Xperia 4.4.
Note: Z2 has "com.android.nfc_extras.odex", but there is no "com.android.nfc_extras.jar".
Maybe it's OK to leave "com.android.nfc_extras.odex".
AOKP introduced pen mode for Z1 and I could enable it on stock ROM!
Xperia Z Ultra can use the pen or pencil made of wood or metal as stylus, but Z1's screen also supports it and Sony disabled it for some reason.
root is needed to enable this.
I am sorry but I stopped supporting this kernel because I don't have much time recently.
I got Z5 E6653 from one kind person (not from xda community),
so I created custom kernel for Xperia Z5 E6653!
A Japanese developer, キューブキューブ @ cubeundcube created root tool for a lot of Xperia devices.
His root tools uses two exploit - one is master key exploit (bug 9950697), another one is CVE-2013-6282.
No internet connection is require...
I found Sony merged Z2 source into Z3 source like unified kernel!
So I build it for D6502/D6503 23.0.1.A.3.12 and it worked fine:o
Note I don't use Z2 for daily driver now,
so I can only confirm it's working without SIM.
It should be OK with...