1.Ensure that the Internet is connected.
2.Go to “System Settings” -> “Other Settings” , and select “System Upgrade”.
3.Click“Official Server” and check for the new version for upgrade.
4.Click “Start Download” to download the upgrade pack after the new version is found.
5.Click “OK” after the downloading finished, then “Start Upgrading” to upgrade the system.
Note：The system will automatically reboot and the system upgrade page will be re-opened during the process. If you see this prompt “You are running the latest version”, it means that the system has been upgraded successfully.
Hope this helps.