: Once the update reaches 100%, the TV may restart automatically or the light will stop blinking. Remove the USB drive and power the TV on normally.
Updating the firmware for a smart TV motherboard—like the with a 1366x768 resolution —is a common fix for boot loops or software glitches. This specific file is likely part of a multi-part archive used to re-flash the mainboard of "QUALITA" or generic Chinese-branded LED TVs. Guide to Installing P75 338 QUALITA Firmware Download P75 338 1366x768 QUALITA part3 rar
A progress bar should appear on the screen. during this process, as it can permanently damage the motherboard. : Once the update reaches 100%, the TV
: Installing firmware with the wrong resolution (e.g., trying to use 1366x768 software on a 1920x1080 panel) can result in a distorted or blank screen. Always verify your panel resolution before flashing. This specific file is likely part of a
: Use a tool like WinRAR or 7-Zip to right-click on Part 1 and select "Extract Here." This will automatically pull data from the other parts to create a single usable file, usually ending in .bin or .img . Prepare a USB Drive : Format a USB flash drive (ideally 8GB or smaller) to FAT32 .
Plug the TV back in. On many models using this board, you must on the TV (not the remote) until the indicator light starts blinking rapidly.