How to pair an Apple Watch with your iPhone using the Watch app

You can pair an Apple Watch with an iPhone using the Watch app on your iPhone.
Before you pair your Apple Watch, make sure that the devices are compatible, and that your iPhone is updated to the latest version of iOS.
Once you've paired your Apple Watch, you'll be able to use all of its features, including on-wrist phone calls and text messaging.
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So, you've taken the plunge and purchased your first Apple Watch.Now you can track your physi