HTC One A9 (hiae) for /e/OS-S 2.6
e-2.6.3-s-20250109-UNOFFICIAL-hiae.zip
https://sourceforge.net/projects/eosbuildsronnz98/files/OtherSmartphones/e-2.6.3-s-20250109-UNOFFICIAL-hiae.zip/download
Please see sources and install instructions including recovery here:
https://xdaforums.com/t/rom-12l-unofficial-hiae-lineageos-19-1-stable.4392151/
Use it at your own risk!
Please support the developer(s)!