Install the Galaxy Watch application on your mobile device, then pair your Gear S2, Gear S3, Gear Sport, Galaxy Watch, Galaxy Watch Active, Galaxy Watch Active2 or Galaxy Watch3 with a Bluetooth connection and enjoy all of its features.
Simply install Galaxy Wearable (Samsung Gear), and you'll to be able to pair your Galaxy Watch Gear S3, Gear S2, Gear Fit2, Gear Fit2 Pro or Gear IconX with your smartphone using a Bluetooth connection.
The Samsung Gear application connects Samsung Gear to your mobile device. It also manages and monitors Samsung Gear features and applications installed through Gear Apps.