Android LED TV motherboard . This motherboard is a common "combo board" used in various local-brand smart TVs to provide UHD, Wi-Fi, and Android capabilities. Firmware Details TP.MS338.PB801 (MStar chipset).
Sites like Kazmi Elecom and Lab-One Forum frequently host free firmware downloads for this board. Download MS338 PB801 1366x768 China M90 Remote part4 rar
Tech-focused Telegram channels and YouTube tutorials often provide direct links in their descriptions. Android LED TV motherboard