until the light stops flashing or the TV restarts. ⚠️ Critical Compatibility Notes
The firmware you are looking for is specific to the (also known as TP.SIS231.P83 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