Allwinner H313 Custom Rom -

Widely considered the best custom firmware for Allwinner chips. It offers a cleaner Android TV (ATV) interface or a optimized AOSP (standard tablet-style) mobile UI. It significantly improves performance by reducing background processes.

offers specialized builds for certain H313 boards like the X96Q. AOSP-based Firmwares Allwinner H313 Custom Rom

Possible to run if an underlying Armbian image exists, although secure boot mechanisms in cheap H313 boxes can make installation difficult. Widely considered the best custom firmware for Allwinner