Essential PH-1 (mata) for /e/OS-T-1.15
https://www.androidfilehost.com/?fid=10620683726822087571
This device is officially supported by LineageOS.
Please see sources and install instructions including recovery here:
https://wiki.lineageos.org/devices/mata/
Use it at you own risk! I do not own this device so its untested.
Please support the developer(s)!