Huawei Mate 8 Custom Rom 2021 ((exclusive)) -

Huawei officially stopped issuing bootloader unlock codes after May 2018. By 2021, the official website was non-functional, and DC-Unlocker was the only paid third-party option ($4–20).

: This is widely considered the most stable "daily driver" ROM for the Mate 8. Developed through the OpenKirin project, it provides a clean Android experience with working cameras and network switching. Resurrection Remix huawei mate 8 custom rom 2021

LineageOS is the king of custom ROMs. While official support ended, unofficial builds of LineageOS 16.0 (Android 9 Pie) or 17.1 (Android 10) have been ported by talented developers. Performance, stability, and customization. the official website was non-functional