Once you’ve purchased a new smartphone, you’ll need to configure your Garmin Instinct using the Connect Garmin Mobile apps. This facilitates the integration of Garmin Express with third-party apps. To pair the Garmin Instinct with your smartphone, switch the Instinct to Pairing Mode. To access the main menu, hit Menu and navigate to the Settings section. Choose Pair Phone. Log in to Garmin Connect Mobile app. Input the six-digit code displayed on the Instinct utilizing the iPhone.