Keep holding the power button until you see the standby LED light begin to blink rapidly (red and blue, or red and green). This indicates the board is reading the firmware file. Release the power button.
Assuming you find a valid .bin or .abs file, the installation process on the Sk706S is standard for Sunplus receivers: tp sk706s pc822 firmware download
is a highly versatile and popular 4K Intelligent WiFi TV motherboard used by many budget-friendly Android TV manufacturers. Whether you are dealing with a stuck logo, "android" reboot loops, or simply want to update the software for better performance, downloading and flashing the correct firmware is crucial. Keep holding the power button until you see