This is Ulefone Power Version 2 Android 6.0 20161206 official firmware. Latest security patch included/integrated.
Security patch level/date: 2016.12.05.
Install: in the usual way, for example -> Mediatek SP Flash Tool v5.1640.xx and or above it.
TWRP recovery work this: https://www.needrom.com/download/skins-for-twrp-recovery/
TWRP install, with SP Flash Tool: https://drive.google.com/file/d/0BypOHyVN_56NY3J2MEsySTBiaHc/view?usp=sharing , Only the recovery to be checked out, and press download.
Root : TWRP recovery supersu install: https://download.chainfire.eu/1019/SuperSU/SR2-SuperSU-v2.79-SR2-20170103215521.zip
The latest Xposed and modules work this rom. It must first flash with twrp recovery: (v87) , and after install xposed installer, and after the xposed modules, what kind you want, for example: Gravity Box, etc…
More infarmation this rom and how to flash: http://ulefone.com/download/power.html
Enjoy…