The flashable zip will install the followings:
1. C5503 Generic NCB firmware
2. Pre-rooted using SuperSU 2.49 Beta
3. XZDualRecovery 2.8.23
I've tested it on my ZR originally running 5.02 rooted stock LB ROM. I used TWRP 184.108.40.206 to flash it and I just wiped Dalvik and cache so data partition is untouched.
If you're also using Xposed, boot your phone for the first time, then reboot your phone into TWRP again to flash the official Xposed framework (http://forum.xda-developers.com/show....php?t=3034811, sdk22). For unknown reason, I need to uninstall and re-install the Xposed Installer to run it successfully.
** this firmware comes with Asian keyboard/IME which is not found in the earlier Russian version **