Xiaomi Mi Max 2 (oxygen) for /e/OS-T 1.21
e-1.21-r-20240505-UNOFFICIAL-oxygen.zip
https://sourceforge.net/projects/eosbuildsronnz98/files/XiaomiSmartphones/e-1.21-r-20240505-UNOFFICIAL-oxygen.zip/download
Please see sources and install instructions including recovery here:
https://xdaforums.com/t/rom-unofficial-lineageos-21-for-mi-max-2-kernel-4-19.4452577/9/
Use it at your own risk!
Please support the developer(s)!