- Keep your Apple Watch and iPhone close together until you complete these steps.
- Open the Watch app on your iPhone, then tap the My Watch tab.
- Tap General > Reset.
- Tap Erase Apple Watch Content and Settings, then tap it again at the bottom of the screen to confirm. You might need to enter your Apple ID password.
- For Apple Watch models with GPS + Cellular, choose to keep or remove your cellular plan:
- If you want to pair your Apple Watch and iPhone again, keep your plan.
- If you don't want to pair your Apple Watch and iPhone again, remove your plan. If you aren't going to pair with a different watch or iPhone, you might need to contact your carrier to cancel your cellular subscription.
- Wait for the process to finish, then set up your Apple Watch again. When asked, restore from a backup.