@Madman1939 Go through this thread to see how can you troubleshoot this issue.

@BugoK The FW upgrade is not likely to be the reason for your issue. Unplug all LAN connected devices, reboot the router and start plugging them one-by-one to check if any of these causing an issue....

@Capricorn12 Happy holidays ! 1) Can I use the ax6000 as my primary router and connect the Unifi AP Pro to get greater wi-fi coverage and signal strength in the basement and the garage? Yes. 2) If...

@Anton_84 I've edited my first post, cause I found a better price for the same item. There are more powerful models (12V/2A including 57.72Wh battery pack), but they are pricier -...

@Leki I can't help with the Verizon router settings. Double NAT is not necessarily a bad thing. Why don't you try my second suggestion - both devices in router mode, all settings done on the Archer...

@Sammy2023 This really sounds weird. Try to forget Guest Wi-Fi SSID on the devices in question and then connect to your main Wi-Fi SSID with its password.