Today we are going to show you how to update the software on a montana 750i and complete the pairing to the garmin explorer app with your apple iphone pairing your montana 700 series with the garmin explorer app will allow you to sync waypoints routes and activity files between your montana the explorer website and the explore app pairing is especially important for montana 700i and 750i users with an in-reach subscription where it will sync your contacts messages and other subscription information we will start by making sure that your montana has the most current software installed with garmin express if you already have express installed please open it if not the following steps will walk you through getting garmin express onto your computer a high-speed internet connection is needed for any update satellite internet or a hotspot won't allow most updates to complete enter support.garmin.com into a browser on your computer then enter your model of montana select the top solution of installing software updates select step 1 followed by download for windows or mac we will be downloading for mac connect your montana directly into your computer's usb port while the download is installing once the download of express has finished select add a device then add device if you have a connect account you may sign in or create an account with our montana we are only going to use the explore application and we'll select next enter the email address for your existing garmin account or the one that will be used for your new inreach account then click next you can give your montana a nickname if you would like followed by next if you have a garmin connect account you can set up your wi-fi network for future updates...