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Devices with Apple watchOS 8 have anti-theft and may affect how you are able to master reset. To turn on or off the device anti-theft, you must unpair your Watch from your iPhone.

  • Unpairing will erase all data from your Watch.
  • When you unpair your device, your iPhone automatically creates a backup of your Watch.
  • Keep your Apple Watch and iPhone close together as you unpair them.
  • If your Apple Watch is unpaired while out of range of your iPhone, the backup won’t be created.



To unpair you Apple device, follow these steps:

  1. Open the Apple Watch app on your iPhone.
  2. Tap the My Watch tab, then tap your watch name at the top of the screen.
  3. Tap i, then tap Unpair Apple Watch > Unpair [Apple ID]'s Apple Watch.
  4. If prompted, enter your Apple ID and password.
  5. If your Watch has a rate plan connected to an eSIM, choose to keep or remove the plan and eSIM information.
    • Tap Keep Plan if you want to keep using your Watch with the same line.
    • Tap Remove Plan if you want to use your Watch with a different line, account, or carrier.
  6. Tap Unpair.
  7. Your Watch information is backed up to your iPhone, then the Watch is erased.

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