Before starting Nike+Running with heart rate from Mi Band, make sure that Mi Band is working properly with Xiaomi Mi Fit and Mi HR apps for iOS. Then, whenever you want to start Nike+Running with live heart rate, do the following:
1. Turn bluetooth on iPhone ON
2. Run Xiaomi Mi Fit app and sync Mi Band
3. Run Mi HR for iOS (Mi Heart rate continuous monitoring) and start measuring heart rate, so that your live heart rate appears on the screen
3. Run Apple’s Health app
4. Go to the Source section in Health app, select Mi, and turn off, then - ON «…medical data». THIS STEP IS IMPORTANT.
As a result, you'll see live heart rate in Health app.
5. Run Nike+Running app, tap «BEGIN RUN», choose «Run Setting», turn «Heart Rate» ON. As a result, you’ll see heart icon with live heart rate on top of the Nike+Running screen.
6. Click Start and run.
7. Then you will be able to see your heart rate on every meter during your run as well as average heart rate.
