Install LibreELEC-RK322x on an SD card (dual-boot). It bypasses Android entirely, runs Kodi in Linux, and plays 4K HDR flawlessly.
The 7.1.2 NHG47K firmware build offers a range of benefits for RK322x-Box users, including: android rk322x-box rk322x-box 7.1.2 nhg47k
While the software is ancient, the hardware's video decoder remains surprisingly capable. Treat the RK322X-Box not as a smart device, but as a dedicated video decoding appliance, and it will serve you for years. Install LibreELEC-RK322x on an SD card (dual-boot)