Wireless and backhaul problems with firmware 210, technical observations and tests

What is the Mfr and model# of the ISP modem the NG router is connected too?

What is the size of your home? Sq Ft?
What is the distance between the router and satellite(s)? 30 feet is recommended in between them to begin with depending upon building materials.

Try setting manual channel 1, 6 or 11 on 2.4Ghz and any unused channel on 5Ghz.

Try disabling the following and see:
MIMO, Daisy Chain, Fast Roaming, IPv6 and Set 20/40Mhz Coexistence to 40Mhz only. Save settings and reboot the router and satellite(s).

If you updated to recent FW v.210, try enabling Daisy Chain. Some have mentioned that this seems to be working in reverse order, enabling means disabled actually.
https://community.netgear.com/t5/Orbi/Firmware-2-2-1-210-and-connection-problems-Skybell/m-p/1649275/highlight/true#M43001

Advanced Wireless Settings both 2.4GHz and 5GHz changed CTS/RTS Threshold to 2307.
https://community.netgear.com/t5/Orbi/Orbi-RBR40-RBS40-V2-1-4-16-mesh-network-drops-connection-to/m-p/1601598/highlight/true#M35230
Change the CTR/RTS threshold values for both 2.4 GHz and 5 GHz (2341 and 2345 respectively), changed preamble modes to long preamble, and Set 20/40Mhz Coexistence to 40Mhz only.

Try a Manual FW load:
https://community.netgear.com/t5/Orbi/Firmware-2-2-1-210-released-as-of-10-3-18/m-p/1647303/highlight/true#M42416

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AlexisG wrote:
Since my Orbi system (wired backhaul) auto updated to 210, I’ve had the following new issues:

- Amazon Echo losing its connection
- Nintendo Switch losing its connection
- WeMo devices getting mistakenly coalesced into a single device to HomeKit, presumably via WeMo Bridge connected to the Orbi satellite.
- occasional dropped WiFi connection to the Apple TV

Basically, everything is now unreliable. Of course the irony is that this kind of nonsense is what I thought I was paying to avoid by buying an Orbi. Sigh

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