"Even changed the SSID and password to rule out special characters etc
as a culprit"I've done the same as you, but my Points are still unable
to give me a reliable connection. I even tried doing a factory reset on
my Nest cameras and Nest thermostat ...
I'm having the same issue with my two points. They continue to go
offline, but the main router will still stay online where we can connect
to Wi-Fi. I've tried factory resetting multiple times, but nothing has
fixed it yet.