You can find similar firmware files on technical forums such as: KenotronTV for USB update files.
: Refers to a specific software configuration or "reference" for this board. Download MS338 PB801 1920X1080 CONTINENTAL REF58 part1 rar
: This specific firmware is for 1920x1080 (Full HD) screens. You can find similar firmware files on technical
Kazmi Elecom for free firmware downloads often shared on social media. Download MS338 PB801 1920X1080 CONTINENTAL REF58 part1 rar
This is a popular (chassis) used in many budget LED and LCD TVs.
Updating this firmware can fix boot-loop issues (hanging on the logo) or restore a TV that won't turn on.
: Insert the USB while the TV is unplugged, then plug it into power to trigger the automatic update process. Resources for Download