Do not trust "Android TV 10" branded downloads for this board—they are almost always fake or malware.
Often labeled as Android 10.1 or 11.1, though frequently running a modified version of Android 7.1 Typically 1GB RAM and 8GB eMMC storage. Commonly uses the Update and Recovery Process r29 mxq lp3 v23 firmware
If you provide your and a photo of the PCB (markings near the CPU), I can narrow down the firmware link. Do not trust "Android TV 10" branded downloads