Happy New Year!
We hope that everyone has got the new Mi Band 1S from Santa, so our app is ready to give you new possibilities. Now you can manually measure your heart rate when you want. Also, you can enable heart rate measurements during your sleep. In the future, it will be used for improved sleep analysis.
When you are measuring your heart rate, make sure that you don't move and have your hand on one level with your chest. See this pic from official app to illustrate.
Sometimes, from observations, it seems that tracker doubles or even triples the measured value if you move. It's a known issue.
Please, report by email any other bugs you may see.
In the release, many bugs were fixed. The app should be more stable in general and OneDrive sync should work without any issues as it was before.
P.S. We have added Chinese translation of the app!
P.P.S. It seems like you can configure periodic heart rate measurements, but this feature is not yet utilized in official Mi Fit application, so it needs additional investigation and will be added later.