until the light stops flashing or the TV restarts. ⚠️ Critical Compatibility Notes
Typically uses an 8MB SPI Flash (GD25Q64 or similar). Download SIS231 P83 FITCO FLED FHD Mirror Firmware USB rar
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
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. indicating the update is in progress.
The indicator light (LED) should start flashing, indicating the update is in progress.