: Enter your admin credentials. If you haven't changed them, the default is usually for both username and password. Navigate to Updates "More Functions" in the top right corner of the dashboard. "Manage Updates" from the sidebar or menu. Check for Updates : Scroll down and click "Update Now" or "Check for Updates".
A final piece of advice: If you are getting 50 Mbps download and the device stays cool, leave the firmware alone. Only update to fix a specific problem. Update Software in HUAWEI E5573CS-323