Make sure Apple Watch and old iPhone are updated and synced to iCloud > back up old phone > set up new phone. When asked to use Apple Watch, select Continue > keep devices close > follow on-screen ...

Wondering if the Apple Watch really nails your heart rate readings? Its sensor is surprisingly reliable, though not quite doctor-level precise.

Your Apple Watch is useful for tracking your fitness while working out, but it may require some finagling to use it when walking on a walking pad.

On Apple Watch Ultra, Apple Watch SE, and Apple Watch Series 6 and later models running watchOS 9 and newer, you can use the Compass app's Backtrack feature to track your route and then help you ...