Blood oxygen and ECG
Hello, I have been in Iran for some time and I want to activate the blood oxygen of my Apple Watch Series 7, but I can't. Is there a way I can activate it? along with ecg. I really need them sir.
Apple Watch Series 7, watchOS 8
- Make sure that the ECG app is available in your country or region. Learn where the ECG app is available.
- Update your iPhone to the latest version of iOS and Apple Watch to the latest version of watchOS.
- The ECG app is not intended for use by people under 22 years old.
Install and set up the ECG app
The ECG app 
is installed during the ECG app setup in the Health app. Follow these steps to set up the ECG app:
- Open the Health app on your iPhone.
- Follow the onscreen steps. If you don't see a prompt to set up, tap the Browse tab, then tap Heart > Electrocardiograms (ECG) > Set Up ECG App.
- After you complete set up, open the ECG app to take an ECG.
If you still don’t see the app on your Apple Watch, open the Watch App on your iPhone and tap Heart. In the ECG section, tap Install to install the ECG app.
