S905x3 Custom Rom Jun 2026

| Issue | Cause | Workaround | |-------|-------|-------------| | No Wi-Fi after flash | Wrong vendor module | Extract correct wifi.ko from stock → push to /vendor/lib/modules | | CEC not working | Missing HDMI DT node | Overlay meson-g12b-s905x3-cec.dts | | 4K HDR green tint | Wrong colorimetry | Set sys.hwc.composer_policy=0 in build.prop | | Boot loop after Magisk | SeLinux enforcing | magiskpolicy --live "allow init rootfs file execute" |

Aidan is a famous XDA developer who creates "Generic" ATV ROMs that fix the Widevine L1 issues on many S905X3 boxes. s905x3 custom rom