Realme 9 Pro 5g (RMX3471) for /e/OS-T 1.19
e-1.19.1-t-20240114-UNOFFICIAL-RMX3471.zip
https://sourceforge.net/projects/eosbuildsronnz98/files/OtherSmartphones/e-1.19.1-t-20240114-UNOFFICIAL-RMX3471.zip/download
Please see sources and install instructions including recovery here:
https://xdaforums.com/t/rom-13-0-unofficial-lineageos-20-for-realme-9-pro-5g-rmx3471-rmx3472.4644796/
Use it at your own risk!
Please support the developer(s)!