I made an update for this device, enjoy 
:
e-0.9-n-20200711-UNOFFICIAL-xt897.zip
TWRP : https://dl.twrp.me/asanti/ (the rom is compatible with xt897 and asanti_c)
Don’t forget to backup and share your experience, thanks 
I made an update for this device, enjoy :
e-0.9-n-20200711-UNOFFICIAL-xt897.zip
TWRP : https://dl.twrp.me/asanti/ (the rom is compatible with xt897 and asanti_c)
Don’t forget to backup and share your experience, thanks