How can Apple set the number of steps to see healthy exercise outdoors without Internet?

An application called "Health" is built into Apple's mobile phone to track and record your various health indicators, such as steps, activity time, calorie consumption and so on. If you want to check the number of healthy exercise steps outdoors without internet, you can set it like this: 1. Open the health application and click the "Today" tab at the bottom. 2. At the bottom of the Today page, you can see all kinds of health data including the number of steps, just scroll down to the bottom. 3. Click the "Data Source and Access" button, and then find the "Steps" option in "Access". 4. Under the Step option, enable the Add Data to iPhone switch. In this way, even if there is no internet, your iPhone will record your steps. Please note that if you need to record the number of steps through AppleWatch or other health devices, you can also set it under "Data Source and Access". Alternatively, you can synchronize health data through iCloud, so that you can access the same health data on different devices.