Plug the TV back in and hold the button on the TV (not the remote) until the indicator light starts flashing rapidly, indicating the update has started.

: Tech communities like Lab-One Forum often share "Bios Bin" and USB firmware for the MS338 series. How to Install

The file is part of the firmware for the TP.MS338.PB801

until the process reaches 100% or the TV restarts.

: Many technicians provide direct download links in the descriptions of video guides, such as those found on YouTube .

: Format a USB flash drive (8GB or less is recommended) to FAT32 .