To check for platform updates on your hub or apply an available platform update:
TIP: If a red circle with a number over the system message icon appears in the upper right of any page in the hub interface, an unread system message is available to read. This may be a platform update:
In this case, you can skip the step of manually checking in Settings. Instead, select the message icon, then select the Available to download link. (Or select dismiss to ignore the notification for this available update.)
NOTE: It is not mandatory that you update your hub, though it is recommended for new features and fixes. The choice—-if and when—is yours alone. If you choose to update, you can view the release notes in the update window or at a later time by visiting the Release Notes documentation.
Select Update Hub, confirm agreement to the Terms of Service, and wait for the process to complete.
Your hub will automatically reboot after the update is installed. (You may close the above page after the Downloading... status appears, or remain on the page to monitor progress.)
If your hub is unable to check for updates, make sure your hub has an Internet connection. Try the network test utility on the Network Setup page to verify Internet connectivity.
If the regular hub interface does not appear after updating, check the following: