Here’s what you need to switch
- Your Apple ID and password
- Your old and new iPhone both need to be connected to Wi-Fi
- Your Apple Watch and iPhone both need to be at least 50 percent charged
- Your Apple Watch passcode
- If you have your old iPhone
- Update your old iPhone and update your Apple Watch.
It could take from several minutes to an hour for the update to complete. You might want to update overnight or wait until you have time, and make sure that both your devices are charged.
- Check your Health and Activity settings
If you back up using iCloud, go to Settings > [your name] > iCloud and make sure that Health is on. If you back up using iTunes, encrypt your backup to save your Health and Activity content.
- Back up your old iPhone
- Set up your new iPhone
- Open the Apple Watch app on your new iPhone
- If you don’t have your old iPhone or you erased it
Your Apple Watch might still be paired with your old iPhone. Use the steps below to unpair:
- Erase your Apple Watch.
- Set up your new iPhone and sign in to iCloud. If you’ve already set up and signed in, skip this step.
- Open the Apple Watch app on your new iPhone, then pair your watch with your new iPhone.
- Try to restore from a backup.
- Follow the onscreen steps to finish setting up.
- Start using your Apple Watch with your new iPhone.
- If your iPhone doesn’t ask if you want to use your Apple Watch during setup
Unpair your Apple Watch from your old iPhone, then pair it with your new iPhone. When asked, restore your Apple Watch from a backup. Make sure that your iPhone and Apple Watch are up to date, otherwise you might not see your backup in the list.