The exact steps can vary significantly depending on the device and the update package provided by the manufacturer. Here is a general approach:
Unlike standard MCUs that simply flash a .bin file via JTAG or UART, the RKPX3 update process typically follows the Rockchip standard: rkpx3 mcu update
If your board has a USB port connected to PA11/PA12 (USB D+/D-): The exact steps can vary significantly depending on
What’s unchanged / missing