I see an "iCloud Data Sync in Progress" message while trying to use HomeKit

  • Check your Internet and Wi-Fi connections.
  • Update your iOS device to the latest version of iOS.
  • Restart your iOS device.
  • Go to Settings > iCloud > iCloud Drive and make sure that your iOS device has iCloud Drive turned on.

If you still have issues, turn off iCloud Keychain, then turn it back on. Make sure that you signed in to iCloud successfully.

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