Apple Watch Series 5 Yes Added always-on display and improved sensors. Simply having a modern Apple Watch is not enough; the hardware must be designed to channel the electrical signal from your finger through the crown and into the electrodes.
Apple Watch ECG Models Compared 2024
The EKG app is distributed via the App Store on the watch itself, and it requires a recent version of watchOS to function correctly. Apple Watch Series 6 Yes Includes blood oxygen sensor alongside EKG.
Model EKG Availability Notes Apple Watch Series 4 Yes First generation to introduce the feature. Installing the update is usually straightforward and only requires a few minutes connected to Wi-Fi.
Apple Watch ECG Models Compared 2024: Series 4, 5, 6, and SE
In the United States, the feature is available through a software download after updating to the latest version of watchOS. Understanding EKG Availability on Apple Watch Models The core requirement for EKG functionality is the presence of specific electrical sensors built into the back crystal of the device.
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