Genie anomaly or is my router confused?

There's a field to the right of the WiFi channel pull-down labeled, "Current:6" I say "Current:6" because no matter the channel I select, it never changes.

Further, If I go to Advanced -> Administration -> Wireless Channel, the chart show me as being on channel 6 even though I just put the router on - say - channel 11. Even better, the chart will show NOTHING on channel 11.

Further still, If i use the Genie ap on my tablet, it says my router is on channel 11 - unless I go into WiFi Analytics where it says I'm on channel 6!

The best yet, I'm stuck in the MIDDLE of a FINGER pointing contest between Netgear and Xfinity as to who's problem it is. Xfinity just tried to get me to upgrade the firmware froma file on Netgear's website (?!?).

My question to the community is, do you see this behaviour in Genie? Are you confident the router is set to something other than channel 6? I really feel the need to change it because I can identify no less than 7 othe devices on channel 6 as it is.