At the end I had to replace my nest thermostat 3rd gen unit, it was
faulty.I’ve just received the new one and it’s perfectly connecting to
Wi-Fi now. Thanks for taking care tho, appreciate it.
I'm experiencing the same and I'm feeling a lot of frustration.Suddenly
my learning thermostat (3rd gen) can't even find the wi-fi network (it
displays a message like "your network is hidden or is too far").I've
followed this troubleshooter
https://w...