4. Images Operation

4.1 Unzip Firmware

❶ open RKDevTool\RKDevTool_Release\RKDevTool.exe on Windows.

_images/open_RKDevTool315.png

❷ click Advanced Function -> Firmware, select update.img, click Unpack to unzip.

_images/Debian_Unpack.png

The unzip files will be generated in RKDevTool\RKDevTool_Release\Output\Android and RKDevTool\RKDevTool_Release\Output\Android\Image

_images/Debian_Unpack_android.png
_images/Debian_Unpack_android_image.png

4.2 Pack Image

❶ copy the firmware files to be packaged to Windows RKDevTool\rockdev\Image

file path

❷ enter RKDevTool\rockdev, double-click to run rk356x-mkupdate.bat

_images/debian_run_bat.png

update.img will be generated in directory RKDevTool\rockdev\

_images/debian_update_path.png