How does Apple's mobile phone clear system data?

The data occupied by Apple's system is too large. Clean it up as follows: tools/raw materials: iphone 12, iOS 14.5, and settings 1.0 1. First, turn on the phone, find the settings icon of iPhone on the desktop, and enter the settings. 2. Click to enter the settings of iphone, and click the same option. 3. Then click General to see the iphone storage options. 4. Then in the storage space of iphone, you can see the system memory of ios 13.5. 1. 5. In the memory interface of the system, we can see the following figure, and click Delete and Update in the figure. 6. Then you will see a confirmation interface. Here, we can continue to click Delete Update to clear the system cache data.