You need the RK Assistant or Rockchip Driver Assistant installed so your PC recognizes the device.
If you want, I can provide:
: Power off your device. Hold the Recovery or UBOOT button and connect it to your PC via a USB OTG port. rk android tool 271 download install
The tool will likely display a list of available actions. Select the desired operation (such as flashing firmware) and follow the on-screen instructions. You need the RK Assistant or Rockchip Driver
to begin the process. The tool will verify the firmware and then begin writing to the device. Flashing Specific Partitions (e.g., Rooting) Download Image The tool will likely display a list of available actions
Before proceeding, ensure your Rockchip-based device is connected to your computer via a USB cable. You might need to enable USB debugging on your device for the tool to recognize it.