And what is the problem?
You must have TWRP, put on the phone zip file kangvip rom, run TWRP, clear cache, dalvik, system, date and install kangvip rom.
Last version PLK-EMUI4.0-6.4.16_Kangvip.zip:
https://userscloud.com/go/itil21gg5p59/
(Thanks 4pda.ru)