Your Oppo F11 Pro isn't obsolete. It just needs a software lobotomy. Happy flashing.

Before diving into the "best" list, let's align on the benefits:

Report compiled based on XDA Forum search (2024–2025), Treble GSI testing reports, and MTK unlock guides. Last updated: 2025.

. Thanks to Project Treble, you can flash a generic version of Pixel Experience LineageOS GSI