5. Flash Images
❶ open RKDevTool_Release\RKDevTool.exe
on Windows.
![_images/buildroot_7.png](_images/buildroot_7.png)
❷ connect PC and development board with USB-A cable, keep pressing Recovery Key and power up(connect Micro USB cable) until the windows PC shows Found one LOADER Device, then release the key.
![_images/loader.jpg](_images/loader.jpg)
Enter Loader mode
![_images/buildroot_8.png](_images/buildroot_8.png)
❸ click Upgrade Firmware -> Firmware, select
update.img
, click Upgrade to flash.
![_images/buildroot_9.png](_images/buildroot_9.png)
![_images/buildroot_10.png](_images/buildroot_10.png)
User can also update the firmware separately.
❶ Select the checkbox on the left.
❷ Click the column on the right side for the path of the file want to flash.
❸ Click Run to flash the image.
![_images/buildroot_11.png](_images/buildroot_11.png)
![_images/buildroot_12.png](_images/buildroot_12.png)