How to reset the tado° Smart Thermostat V3+

You want to restore the thermostat to factory settings.

We could not fully consult the manufacturer's support page for this model; the steps are general and may differ in details.

Most likely causes

usually this

WARNING: a factory reset will erase Wi‑Fi settings, rooms and any device links in your tado° app.
If available, use the reset option inside the tado° app under the device settings first.
If the app option is not available, perform the physical reset (see Reset procedure below) and then re-add the device in the app.

common

Make sure you know your tado° account details so you can re-login after reset.
Take a photo of the thermostat wiring before resetting so you can reconnect it correctly.
Perform the reset and follow the full setup in the app afterwards.

Why does the app keep asking for my Wi‑Fi password?

The app needs your Wi‑Fi details to connect the thermostat; enter the password only into the tado° app.

Does the thermostat use 5 GHz Wi‑Fi?

tado° typically uses the 2.4 GHz band for local connectivity; use 2.4 GHz during installation.

Will I lose schedules after a reset?

Yes, a factory reset removes local settings; you'll need to set up schedules again in the app.

Can I link the thermostat to Google Home or Alexa?

Yes — link your tado° account to Google Home, Alexa or Apple Home via their respective apps.