: Use the Balena Etcher tool for SD cards or the Rockchip rkdeveloptool for internal memory.
Using the "Parameter" button, load the parameter.txt file from your firmware folder. This tells the chip where to put boot, recovery, and system. Android Rk322x Box Firmware
You can buy two boxes that look identical on the outside—same plastic casing, same ports, same remote—but they may have entirely different motherboards inside. One might have a WiFi chip made by Realtek, while the other uses Broadcom or ESP8089. : Use the Balena Etcher tool for SD