The router will restart once the process is complete. during this time to avoid damaging the device.
If your device does not update automatically through your Internet Service Provider (ISP), follow these steps to perform a manual upgrade: sagemcom cs 50001 firmware upd
If you’re on a fiber connection and own the CS 50001, check if your ISP supports bridge mode. Then use your own router for features, while the Sagemcom just handles the ISP handshake. The router will restart once the process is complete