RKDevTool v2.69 supports a vast range of Rockchip chipsets, including but not limited to: RK3066, RK3188 Popular TV Box SoCs: RK3229, RK3288, RK3328, RK3399

Press and hold down the physical or Boot button on the printed circuit board.

To get started, you generally need two components: the tool itself and the official drivers.

: Before running the tool, install the Rockchip USB Driver Assistant (typically v4.8 or higher) to ensure your PC recognizes the device in MaskROM or Loader mode.

While holding the button, plug the USB cable into the specific OTG USB port of the device and connect the other end to your PC. Look at the bottom status bar of the RKDevTool window:

: Provides a direct path to RKDevTool v2.96 and the necessary drivers for their CM3 and Rock 3 series.

: Open RKDevTool; it should display "Found One LOADER Device" or "Found One MASKROM Device" at the bottom.

You now have the complete picture. For a safe download: