5. Flash Images
❶ Open RKDevTool\RKDevTool_Release\RKDevTool.exe
on Windows.
![open RKDevTool.exe](_images/open_RKDevTool315.png)
❷ Connect PC and development board with Micro USB cable, keep pressing Recovery key and power the board until the windows PC shows Found one LOADER Device, then release the key.
![Enter Loader mode](_images/loader.png)
Enter Loader mode
![loader mode](_images/Debian_loader.png)
❸ Click Upgrade Firmware -> Firmware, select
update.img
. Click Upgrade to flash.
![update](_images/Debian_upgrad.png)
![update image](_images/Debian_upgrad_complete.png)
User can also update the firmware separately.
❶ Check the items that will be flashed.
❷ Click the column on the right side for the path of the file want to flash.
❸ Click Run to flash the image.
![Debian update firmware separately](_images/Debian_upgrad_separately.png)
![download](_images/Debian_upgrad_separately_complete.png)