That's why I saved my old thermostat just incase I was having a problem,
I could just hook up my old one in a pinch and get back to the nest
later if needed.
Besides the factory reset did u delete the app and reinstall it along
with factory reset, unplug from wall and replace batteries? Delete app
firstTake thermostat off wall and replace batteries, then factory reset,
then reinstall ghome app set up ther...
Tap the Thermostat on its side and look for settings, scroll around till
you find factory reset on the Thermostat, then hit yes, you have to
reinstall it on your phone app after tho, it took me 5 to 10 minutes to
fix the problem its easy, I wish I co...