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I have a Motorola branded SBG6580 Modem/Router that I've been using with my Cox internet for several years without any issues. It currently has firmware version SBG6580-220.127.116.11-GA-02-141-NOSH
According to Cox the newer firmware version is SBG6580-18.104.22.168-GA-00-505-NOSH and that this is updated automatically. I tried to have Cox update the firmware but to no avail. What else can be done?
try the mfg's website!!
The firmware for modem/router combos is controlled by the ISP. There is no interface for the customer to update it.