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Windows Host

File Download​

Please go to Download page to download loader and system image.

Note:

You can choose one of the system images(such as istoreos, debian cli) depends on your need, but the loader is the same one.

Install RKDevTool

RKDevTool is Rockchip's software for USB burning on Windows platform. If RKDevTool is not installed on your Windows host, please follow the steps below to install it.

Please download and extract the following files to install RKDevTool:

Installation of drivers​

Download and unzip DriverAssistant, then execute DriverInstall.exe and click the Install Driver button to install the driver. If you have already installed another version of driver, please click Uninstall Driver to uninstall the driver first, and then reinstall it again.

RK Driver

Install RKDevTool​

unzip RKDevTool_Release_v2.96_zh.zip ，click RKDevTool.exe to open.

Enter Maskrom mode​

What is Maskrom Mode

Maskrom mode, also known as Loader mode, is a special boot mode that generally used to recover or repair faulty devices. This mode allows the user to interact directly with the device's hardware without going through the operating system. In Maskrom mode, the user can communicate with the device through a computer or other device and execute a series of commands to fix the device's problems. You can see if the device is in Maskrom mode by using the following command (the return value below is the return value in Maskrom state).

MacOS side.

The result of running lsusb Output:Bus 000 Device 004: ID 2207:350b Composite Device of Fuzhou Rockchip Electronics Co.

Linux.

Result after executing lsusb Output:Bus 001 Device 030: ID 2207:350b Fuzhou Rockchip Electronics Company

Windows: Open RKDevTool.

Open RKDevTool and you will see that the device is in Found One MASKROM Device state.

How to enter Maskrom state​

  • Plug the USB A-C cable into the Debug port of the E20C and the other end into your computer.
  • Press and hold the Maskrom button(see picture below)
  • Power on (Plug the USB A-C cable into the E20C's Type-C Power port and the other end into a power source.)
  • This will normally enter the Maskrom state

MaskRom Key

If the operation is normal, RKDevTool will prompt A MASKROM device was found.

rkdevtool maskrom

Flash images into storage media.​

eMMC​

  • Select Loader (see File Download section above, the loader in picture below is just a example).
  • Right click, select Add item, select eMMC as the storage media.
  • Select the system image (see above section on file download, you need to unzip it into .img format after downloading, the image in the picture below is just a example).
  • Click Execute to start burning
images path

If there is a prompt Download complete, it means the burning is complete, the system will be restarted automatically after burning, and you can log in to the system via HDMI or serial port.