Modded ROM Based on Official Releases:
V3.81 (NEW) (Android Version 5.1.1) —> Latest Official Stable Release
V3.20 (Android Version 5.0.2) —> Stable Release
International Official Stock ROM:
V3.67 (Android Version 5.1.1)
Features:
* Pure Stock with all the unnecessary Chinese apps removed.
* Google Services integrated
* Rooted
+++ ALERT: DON'T USE THIS ROM IN INTERNATIONAL OR INDIAN VERSION NUBIA Z9 MINI. THERE WILL BE PROBLEM WITH DATA AND NETWORK CONNECTIVITY +++
Refer to my XDA Post for further updates and information
ROM install :
1) Download the custom ROM and copy it to an external or internal SD card root directory
2) Use the recovery tool attached to flash the TWRP.
3) Enter TWRP recovery mode and do Wipe Data/Wipe cache / Wipe Dalvik Cache
4) After wipe, choose the Custom ROM from SD to Flash.
5) Reboot the device after installation.