Clear browser cache. If that fails, perform a hard reset using the pinhole button on the back for 10 seconds. Then reconfigure from scratch (do NOT restore an old backup, as it may reintroduce bugs).

Navigate to the or Home dashboard to find the "Firmware Version" string. Common versions for the

After the reboot, log back in and verify the new version number under System Info to ensure the update was successful. Factory Reset:

This article dives deep into everything you need to know about the NR5103E’s firmware: how to update it, where to find generic versions, the risks of cross-flashing, and step-by-step troubleshooting.