You will need to have an active cloud subscription. To add a camera, log into the YI/Kami Home app. In the YI Home app, Click on Discover in the bottom right corner. YI Home Discover
Next Click on Cloud Settings. Select Service. Click on Manage. Select the device from the list. Click Save. The device is now added to the Cloud service. In order to remove the camera, uncheck the camera and select Save. Now the camera has been removed from the cloud service.
Cloud Settings Manage
In the Kami Home app, click on Cloud at the bottom of the screen.
Kami Home Cloud
Next click on Subscribe in the top right corner. Tap the word subscriptions to add, remove or reassign from/to and between subscription plans.
Subscription Management Subscribe
Click add device. Select the device and select OK. The device has been successfully added to the cloud. In order to remove the camera, click Manage and select the camera. Then click Remove from subscription to remove the camera from the cloud service.
Select Device Active Cloud Camera