Why can't Apple 13 download the calendar?

The download method is as follows: 1. First, unlock the phone, find and click the function on the phone desktop. 2. After entering the setting interface, you can click on WLAN or cellular mobile network to connect to the network according to your personal needs. 4. After successfully connecting to the network, go to the mobile phone desktop to find and open the App Store. 5. After entering the App Store interface, click Search in the lower right corner. 6. Then enter the search interface, enter the text content of China calendar in the search box, and click Search. 7. At this time, the interface will jump, and an APP with a Chinese calendar will be displayed on the interface. Click Next to download the application. After the download is completed, the characters displayed on the right will indicate that the download was successful.