Setup with First Alert by Resideo App

  1. Start setup with the app. Touch USING APP on thermostat.

  2. Your thermostat is ready to be configured using the First Alert app.

  1. Download the First Alert app from the App Store or Google Play.

  2. Open the First Alert app. Your thermostat should appear under thermostat found. Tap SET UP NOW as shown below to continue. If your thermostat doesn’t appear, create an account (if necessary), or sign in to your First Alert account. Then select the X2S thermostat to install.

  3. The First Alert app will walk you through the rest of setup.