You can use the Kidde Mobile App to upgrade the software for your Smoke + Carbon Monoxide Alarm with smart features. There will be an option to update on your mobile app dashboard when there is a Software upgrade available.

Click on the Smoke + Carbon Monoxide Alarm you would like to upgrade the software. Show Settings -> Update Firmware. This will be enabled only when there is an update available. Repeat these steps if there are multiple Smoke + Carbon Monoxide Alarms with smart features in your network. Your mobile phone must be connected to the same Wi-Fi network as your Smoke + Carbon Monoxide Alarm with smart features to perform the software update.