You can activate cellular when you first set up your Apple Watch, or when you set up a watch for a family member. During setup, look for the option to set up mobile, then follow the onscreen steps. You can also set up cellular later from the Apple Watch app: On your iPhone, open the Apple Watch app. Tap the My Watch tab, then tap Mobile.

You can activate cellular service on Apple Watch by following the instructions during the initial setup. To activate service later, follow these steps: Go to the Apple Watch app on your iPhone. Tap My Watch, then tap Cellular. Follow the instructions to learn more about your carrier service plan and activate cellular for Apple Watch with cellular.

An Apple Watch with just GPS needs to be connected to an iPhone, while a cellular Apple Watch can operate independently. The cost of an Apple Watch cellular plan can range between $10 and $20 per month. If you need multiple Apple Watch cellular plans, consider Family Setup to save money.