Device info https://wiki.lineageos.org/devices/seed
Rom https://www.androidfilehost.com/?w=files&flid=299514
Please Note: This is an Untested build. Please try at your own risk.
I made an update for this device, enjoy 
:
e-0.9-n-20200629-UNOFFICIAL-seed.zip
TWRP : twrp-3.2.1-0-seed.img
Don’t forget to backup and share your experience, thanks 