System: iOS 15. 1

Software version: 360 Mobile Guardian 9.1.6 The system data of iPhone cannot be cleaned, but the 360 mobile phone can clean the memory. Take iPhone 12 mobile phone as an example, there are four steps to clean up the memory of 360 mobile phone. The specific operation is as follows: 1 Click on the phone to lose weight.

2 Click View Now.

3 Select content

4 click delete