How to move your Health data to a new iPhone or Apple WatchIf you're looking to move your health data from an old Apple Watch to a new one, you've got some choices to make.
When you move to a new Apple Watch or new iPhone, one thing you need to keep an eye on is your health data. Because it's a very private set of information, it's available as an optional set of data to sync to iCloud in iOS 11, as well as via encrypted iCloud and iTunes backups. If you want to move to a new device, however, you'll need to decide how to bring that information over.
Option 1: Back up your health data with an encrypted iCloud or iTunes backup
While the Apple Watch doesn't make a backup in the "true" sense of the word, it does sync Health data to your iPhone's health repository, along with saving watch faces and the like as a package inside of your iPhone backup. To recover your health data, you'll need to make a backup of your Health repository — and that means making an iPhone backup.
You create encrypted iCloud backups whenever you back up to iClo...
Source:
How to move your Health data to a new iPhone or Apple Watch
