The Pros and Cons of Owning an Apple Watch 2024

Make sure that the Blood Oxygen app is available in your country or region. You will be able to see this during the setup process

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Update your iPhone 6s or later to the latest version of iOS. Update your Apple Watch Series 6

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or later, or any model of Apple Watch Ultra, to the latest version of watchOS.

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The Blood Oxygen app is not available for use by people under 18 years old.

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You can confirm or set up your age in your Health Profile

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On your iPhone, open the Health app.Follow the onscreen steps. If you don't see a prompt to set up,

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After you complete setup, open the Blood Oxygen app on your Apple Watch to measure your blood oxygen levels.

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