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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?
Perhaps log into your Cox account and send a reset command to your modem. About all you can do for now.
Are you having a problem or just want the update? What's in the update...security, efficiency, functionality?
I don't mean to reset your modem locally via its recessed button on the back but to send a reset command from the Cox headhead. A network reset may update your firmware or may not. Worth a try.
i've been saying this for a long time, rest by cox includes updates to their equipment, not sure about other modems.