: Video guides often include direct download links in the description or provide WhatsApp/Telegram contact details for technical files. Important Installation Notes
: Ensure your board's RAM/ROM (4GB/512MB) and resolution (1366x768) match these specifications exactly to avoid "bricking" the TV.
: Since you are looking for "part 4," you must download all other parts (Part 1, 2, and 3) into the same folder before extracting. The extraction will fail if any part is missing.
You can find the software archives and download instructions on several dedicated firmware platforms: : This is a well-known source for TP.MS338.PB801 firmware downloads.