1. Download the firmware version 2.16 :  DP_Firmware.zip
2. unzip the DP_Firmware.zip file 
3. log on in webui interface
4. Go to Service menu 
5. Upload the apt-vx.xx.update file in Firmware upgrade menu and click on Save
6. When the reboot button appear, click on it to reboot.
7. Go to Service menu
8. upload stylelinkcom.tar file in Fimware upgrade menu and click to Save (Skin file)
9. When the reboot button appear, click on it to reboot.