Open the Google Home app or Nest app
Select your Nest Thermostat
Tap Settings
Choose Reset
Select the reset option you want
Confirm the reset
To restart the thermostat
Go to Settings
Select Reset
Choose Restart
To reset schedule only
Go to Settings
Select Reset
Choose Schedule
To reset network settings
Go to Settings
Select Reset
Choose Network
To factory reset
Go to Settings
Select Reset
Choose All Settings
Confirm the reset
On the thermostat itself
Press the thermostat ring
Open Settings
Select Reset
Choose the reset option
Confirm the reset
After resetting
Set up the thermostat again
Reconnect Wi-Fi
Recreate schedules if needed