Based on the file name and community discussions, the firmware includes the following technical parameters:

Power off the TV, insert the USB, and power it back on. The system should automatically detect the file and begin the upgrade process.

The file is a firmware update package for the S368A1.5 universal Android LED TV mainboard. This specific software version is designed to be highly versatile, supporting multiple screen resolutions and various remote control configurations. Key Specifications & Features

USB Upgrade (typically triggered by holding the power button or through the recovery menu).

(A common universal Android motherboard used in various LED TV brands).

512MB RAM and 4GB Internal Storage (ROM).

Place the .pa (or renamed .bin depending on the loader) file in the root directory.