Downloading firmware for the board with a 1366x768 resolution, specifically the "Saudi Arab Ref53" variant, typically involves sourcing the files from technician communities or specialized software repositories. Because these files are often split into multiple RAR parts (such as the part4.rar you mentioned), you must download all parts and place them in the same folder before extracting them to avoid errors. Where to Find the Download
: Format a USB flash drive (8GB or 16GB) to FAT32 . Download MS338 PB801 1366x768 Saudi Arab Ref53 part4 rar
Hold the power button on the TV keypad and plug it into the wall. Downloading firmware for the board with a 1366x768
: This site is a primary source for LED TV software and often hosts TP.MS338.PB801 Firmware downloads. Hold the power button on the TV keypad
Release the button once the indicator light starts blinking, showing the update is in progress.