I am leaving my Nest gear behind when we sell our house so I need to leave it in a mode that people can take it over.
- Reset thermostat
- Press the ring
- Select Settings
- Look for and select Reset All Settings.
- Reset Smoke detectors
- Press the center button, it will chime and glow blue
- Press it again and hold for 10 seconds.
- Release when it says the version number
- The Nest will start a verbal countdown and tell you it is eraseing all settings.
- Remove the devices from your app.
I hope that his helps,
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