Move the extracted firmware file to the root directory of the USB. Flash Firmware: Turn off the TV. Insert the USB. Hold the Power button on the TV and plug it in. Wait for the "Software Upgrading" progress bar to finish. ⚠️ Important Warnings
To use this file, you must have all parts of the archive (Part 1, Part 2, etc.) in the same folder. Download SK508 PB801 FHD REF69 UNIONAIRE USB part3 rar
Right-click Part 1 and select "Extract Here." This will automatically combine all parts into a single .bin file. Prepare USB: Format a USB drive to FAT32 . Move the extracted firmware file to the root