Why is the step counting function of mobile phone inaccurate?

Maybe it's because you don't have permission to open the steps; Can refer to the following methods to deal with; Take Apple's mobile phone operation as an example:

1. First, open Alipay app and enter the homepage of Alipay app, as shown below.

2. Click the search box as shown in the figure below on the homepage, and enter "sports" to find the sports application.

3. After entering the exercise, I will walk on the page and click the menu item in the upper right corner of the page. As shown in the following figure

4. After the menu bar appears, find the settings button inside, click Settings, and wait for the system to enter the sports settings page.

5. Next, you can see the walking action data, and the back state is closed. Click the button behind this entrance.

6. After clicking, Alipay's counting steps will open. (The step counting source of the ios version is Apple Health, as shown in the figure below, so Apple Health also needs to be turned on, otherwise it may not be able to complete the step counting).