You will lose hardware VP9 decoding (YouTube max 1080p) and HDR10+. But on a $20 box from 2017, you weren't watching real 4K HDR anyway.
Finding the "best" Android 11 firmware for an Amlogic S905W device often means looking toward the , a newer revision of the chipset that natively supports Android 11 and high-efficiency AV1 decoding . For original S905W hardware, while most stable custom ROMs like atvXperience or Aidan's ROM traditionally peak at Android 9, the slimBOXtv project remains a top recommendation for its modern, optimized performance. Recommended Custom Firmwares s905w android 11 firmware best
: This ROM is famous for its "universal" approach, providing drivers for various Wi-Fi and Bluetooth chips that often fail in other custom builds. It is often based on Android TV 9 , mimicking the interface of a Xiaomi Mi Box S . You will lose hardware VP9 decoding (YouTube max
Published: April 18, 2026
: This is widely considered the gold standard for performance. While the slimBOxtv Project famously supports Android 9 for the older S905W, its Android 11 builds are primarily for the updated S905W2, S905X4, and S905Y4 chipsets. For original S905W hardware, while most stable custom
Trying to force an Android 11 firmware built for the S905W2 onto a standard S905W will hard-brick your device. 🏆 Best Custom Firmwares for S905W / S905W2
For many users, and SlimBOXtv are the leading choices for revitalizing older Amlogic boxes.