@Carl Sorry I missed that last reply of yours. I see no reason to downgrade now when it works fine as long as I turn off 2.4Ghz ax and I have no devices that would use ax at this time. Please just...

@Carl I don't think this is anything wrong with my router or a case for product replacement - it just looks like a firmware/software bug. The hardware seems fine to me. Let me know what the engineers...

@Carl confirmed, the Nest doesn't have 5Ghz.

I may give the Nest a try when I have a moment, IIRC it didn't have 5GHz (I think it's gen 2 IIRC).

@Carl Working config shown below. When "Mode" (shown by arrow) is set to "802.11b/g/n/ax mixed" those devices don't work. On "802.11b/g/n mixed" they work. All other setting stay the same. I can...

Latest firmware 1.1.1 Build 20200714 rel.18254 breaks all the 2.4 GHz "appliance like" devices I own like Yamaha receivers, Chamberlain garage door opener, Nest Thermostat, Google Home speakers, Lifx...