SpO2 is for adults only, who pair their watch to their iPhoneĪdditionally, Apple allows adults (18 years and above) to access The Blood Oxygen app.
Update your Apple Watch Series 6 to the latest version of watchOS by going to the Watch app on your paired iPhone > My Watch > General > Software Update.
For your iPhone 6s or later to the latest version of iOS by going to Settings > General > Software Update.
Update your watchOS and iOS to the latest versions If you own an older or different model (such as the Apple Watch SE,) you cannot get a blood oxygen reading because the watch does not include the required sensors. You must also install the Blood Oxygen app on your Apple Watch. How to get a SpO2 (blood oxygen saturation) reading on your Apple Watchįirst of all, the SpO2 features work only on Apple Watch Series 6 and above when paired with an iPhone that runs iOS 14 and above.
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2 How to set up and start the Blood Oxygen app for Apple Watch.
1 How to get a SpO2 (blood oxygen saturation) reading on your Apple Watch.