How to restore your Apple Watch from a backupPurchased a new Apple Watch recently and want to transfer your old Watch's data? Here's how to restore from a backup.
Your current Apple Watch has had a good run, but you've decided to either retire it for a new model or reset it because of a troubleshooting issue. In either case, if you plan on salvaging your past Health, Activity, and Workout data, you'll need to restore the new watch or factory-reset model from a backup.
How Apple Watch backups work
Whenever your Watch is connected your iPhone via Bluetooth or Wi-Fi, it automatically syncs your latest Health, Workout, Activity, and app data; this information then gets bundled as an Apple Watch backup into your iPhone's iCloud or encrypted iTunes backup, depending on how you choose to safeguard your phone.
Note: If you use unencrypted iTunes backups to back up your iPhone, you'll lose out on saving any Health data — make sure you're backing up via iCloud or an encrypted iTunes backup!
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How to restore your Apple Watch from a backup