Need help getting Warranty replacement 5 months ago my brother-in-law purchased an Arris SBG8300 Modem/Router, which he understood would eliminate a monthly rental fee from Cox Cable. He has issues communicating so I advocate for him.The Arris Modem/Router worked fine for about a month and then started to degrade as far as buffering. When we called Arris Customer Support, we were told the problem was how Cox Cable set up the Modem/Router.My brother-in-law then had a Cox technician come over. After several tests, the technician concluded there was nothing wrong with the internet, that the buffering was in fact the Modem/Router.We then called Arris customer support back and was told to change some settings in the Modem/Router via the computer. The changes made no difference in the what was now constant buffering. When we called again, a different Arris customer service person would suggest the same settings as before.My brother-in-law then took the Modem/Router back to Best Buy, but was told
