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I have recently upgraded my modem to the ARRIS SB8200 and the firmware will not update.
This happens every time it tries to update.
Hardware Version 6
Current Firmware: AB01.01.009.32.01_122319_183.0A.NSH
If you have a account over on DSLReports, you may want to take this subject over there. A thread very similar to this was made over there and resolved by Odog, a Cox employee there.