If the device in the group does not have connection or is offline, it cannot be edited. If you cannot control or edit a device, please remove it from app and it will also be automatically removed from the group.
Click on device within the app, click the “edit” pencil icon on the top right, then scroll down and click "Remove Device" then “Confirm”. This will initiate the LED on the device to begin rapidly flashing.
Once LED is flashing, click add device in CE Smart app and follow the steps to re-connect. The device will then have to be added back to the group once it is reconnected.