Android 10 is designed for 64-bit architectures and requires more RAM than Android 7 or 8. An Android 10 firmware on RK3229 is likely a "Port" (ported from a similar device like RK3229A/B or RK3328) rather than an official Rockchip BSP release, as official support for RK3229 stopped at Android 7.1/8.1.
Ensure your TV box is completely unplugged from its power adapter. ---- Rk3229 Android 10 Firmware