operation sequence/order
1. To start, first find the application "Phone" icon on the mobile phone desktop, and click to enter a new panel.
2. Next, when you reach the phone panel, type? *#*#4636#*#*? .
3. After entering, a "Test" panel will pop up. Find the "Use Statistics" option in the page, and then click.
4. In the usage statistics page, you can see the recent software usage records.