When you set up an Apple Watch, you'll need to pair it with an iPhone and make sure that you have a stable internet connection.
Only the Apple Watch Series 3 and 4 (GPS + Cellular) models can use cellular data, provided they have been set up with a supported carrier.
Resident Apple Watch expert Kate takes you through, step-by-step, how to set up your Apple Watch and the settings to change first for an optimized experience. From how to update Apple Watch software, ...