If your TV is currently stuck on a logo or won't turn on, this USB update method is often the first step in troubleshooting a corrupted flash memory.
The firmware you are looking for is specific to the (also known as TP.SIS231.P83
Firmware is tied to the specific LCD/LED panel model (e.g., V390HJ1). Installing the wrong version can cause an upside-down image, incorrect colors, or a "black screen" bricked state.
until the light stops flashing or the TV restarts. ⚠️ Critical Compatibility Notes
Typically uses an 8MB SPI Flash (GD25Q64 or similar).
Rename the file to SIS231.bin (or as specified by the manufacturer) and place it in the of the USB. Updating: Turn off the TV power. Insert the USB drive into the TV's USB port.
Supports HDMI, USB (for media playback and firmware updates), VGA, and AV inputs.