Download the YI Home app from the App Store or Play Store on your phone or scan the QR code below.  On iPhone, use the built-in QR Code Reader in the control center on your phone.  Then follow the instructions below. 

Face the phone camera towards the QR Code above to scan on the phone.  Please refer to the screenshot below.  Click the download button on the next screen.

You will be taken to the app in the App Store on your phone.  Click the cloud button to download the app to the phone.  

On Android, use a QR Code Reader app in the Play Store to scan the QR Code.  Scroll to the top of the screen and face the phone camera towards the QR Code to scan on the phone.  Please refer to the screenshot below.  Click the download button on the next screen. 

You will be taken to the app in the Play Store on your phone.  Click the Install button to download it to the phone.