: If the TV is still functional, it is recommended to back up your current settings or firmware via the service menu (typically accessed by pressing Input + 2580 or Input + 1147 ).
: Copy the extracted firmware files (usually including a .bin or .pkg file) directly to the root of the USB drive. Do not put them in a folder. Flash the TV : Unplug the TV from the power outlet. Insert the USB drive into the TV's USB port. Press and hold the Power or OK button on the TV or remote. Download HV553 3840x2160 General View 65DK5 part07 rar
: Wait for the process to finish (the LED will stop blinking or the TV will restart). Do not turn off the power during this time, as it can brick the device. Important Notes : If the TV is still functional, it
