OPPO A57 (A57) for /e/OS-a14 3.x
Custom build with fewer apps.
e-3.1-a14-20250715-CUSTOM-A57.zip
https://sourceforge.net/projects/eosbuildsronnz98/files/OtherSmartphones/e-3.1-a14-20250715-CUSTOM-A57.zip/download
Please see sources and install instructions including recovery here:
https://xdaforums.com/t/rom-14-unofficial-a57-lineageos-21-for-oppo-a57.4735953/
Use it at your own risk!
Please support the developer(s)!