If you are unable to install the YI Home app on your Android phone due to an error in the Play Store app, please refer to the following instructions.
First, copy and paste the following link in your browser. https://yitechnology-website.oss-us-west-1.aliyuncs.com/app/yicamera_v4.50.1_20200320_release_google.apk. Open the link in the browser and click Download. Once the file is downloaded, open the file from the Downloads folder in the File Manager app on the phone. When asked, "Do you want to install this application. It does not require any special access", click Install. After the app is installed, click Open. The app is now installed on the phone. You can login with an existing account or create a new account to login.