: Use a tool like WinRAR or 7-Zip to extract part01.rar . It will automatically pull data from the other parts to create a single firmware file (often named all_upgrade_v53.bin or similar).
Turn on the power. The TV's indicator light should blink rapidly, signaling the update is in progress. during this time. Once the blinking stops, remove the USB and restart the TV. Common Sources for Download Download S368A1 Multi Res USB BOOT part01 rar
Since you mentioned part01.rar , the firmware is likely a multi-part archive. You must download (e.g., part01, part02, etc.) into the same folder before extracting. : Use a tool like WinRAR or 7-Zip to extract part01
Always ensure the firmware matches your specific board version (S368A1.5 vs S368LA1.5) to avoid bricking the hardware. Download S368A1 Multi Res USB BOOT part01 rar
