X12 Plus Custom Firmware -

Best for: All-around performance and features. SLIMBOX is the de facto CFW for Amlogic boxes. Version 11.21+ supports the X12 Plus with granular tweaks:

While the OEM stopped updates in 2021, the custom firmware community often backports security patches. You can run a version of Android 11, 12 (Go edition), or even lightweight Linux distributions on a device that was abandoned on Android 9. X12 Plus Custom Firmware

Always attempt non-destructive methods first (sysupgrade, recovery mode): Best for: All-around performance and features

Use vendor recovery mode:

Recommended flashing methods (in order of safety):

Example (OpenWrt sysupgrade):

Monitor serial console throughout flashing and reboot.

There are community-designed skins that replace the boring "list view" with box art and descriptions. Use vendor recovery mode: