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.
: The "Multi-Res" firmware supports multiple resolutions like 1920x1080 , 1366x768 , and 1280x1024 out of the box. Download S368A1 Multi Res USB BOOT part01 rar
The S368A1.5 is a popular universal smart board used to repair or upgrade standard LED TVs to Android Smart TVs. : Typically runs Android 9.0. Since you mentioned part01
: Supports various remote brands (Sony, Samsung, China brands) simultaneously. How to Use the Downloaded .rar Files Since you mentioned part01.rar