This article explains how to connect a Honeywell Thermostat to Wi-Fi. Instructions apply to iOS 11.3 or later and Android 5.0 and later.
Easily connect your Honeywell thermostat to WiFi
These instructions apply to the Honeywell Total Connect Comfort Wi-Fi Thermostat.
Download the Honeywell Total Connect Comfort app. It is available for both iOS and Android.
Check that the text 'Wi-Fi SETUP' is displayed on the thermostat screen.