Arris Surfboard 6190 and Xfinity Issues. I've been having issues with my modem disconnecting consistently. A lot of times 10x a day! Xfinity hasn't been no help and REFUSES to bring out a technician due to Covid. Unacceptable since I've repeatedly contacted them about this issue on several occasions. When I call they say my modem is fine.
SURFboard SB5101 Troubleshooting . SURFboard® SB6121 DOCSIS® 3.0 Cable Modem Quick Start Guide BEFORE RETURNING THIS PRODUCT TO THE STORE for any reason, please call ARRIS Technical Support: 1-877-466-8646 Released by Motorola in November 2004, this stand-alone cable modem allows the user to connect to the internet using ethernet or USB. Close.