The device gives you a notification when it recognizes there's a newer firmware version released.
The notification will appear only under the devices that need the upgrade.
If you have a Dual system and only one of the Control Unit's needs the upgrade it will specify that in the message.
What needs to be done?
You need to perform a firmware upgrade to your device/s in order to enjoy all the new features and enhancements. To do so, please follow the FOTA article and perform the upgrade.