If your Orbi RBS750 satellite won’t sync, chances are there that your firmware might be outdated—and that’s exactly what’s hindering the connection. The fix? You need to update the Orbi RBS750 firmware manually, especially when the satellite is not able to connect with the router on its own. https://wificrunch.com/how-to-update-orbi-rbs750-firmware-when-the-satellite-wont-sync/