Just select the "Heart Rate" version on Xiaomi Health homepage to test. Enter the test page, completely shield the camera from the mobile phone according to the prompts of the software, and it will automatically enter the detection state. In the detection state, the rice flour should keep the mobile phone motionless 10 second, and the test is completed.
After the test is completed, click "Finish" and a selection box will pop up, where you can select the current test state, including "Normal State", "Rest State" and "After Exercise". After the selection, you can enter the test report.
According to Xiaomi's prompt, five mobile phones, such as Xiaomi CC9e, Xiaomi CC9 Pro, Red Rice Mobile 6A, Xiaomi CC9Meitu Customized Edition and Redmi Redmi 10 X Pro, are temporarily closed.