Taking Huawei Glory 20 mobile phone as an example, the specific operation steps are as follows:

1. Turn on the phone, select "Nail" on the main page, and click Enter;

2. Select the avatar in the upper left corner and click Enter;

3. Select "Settings" at the bottom of the page and click Enter;

4. In the setting interface, select General and click Enter;

5. Select "One-click Cleaning" at the bottom of the page and click Enter;

6. Confirm that the memory in the space can be cleaned safely, select "one-click cleaning" and click OK;

7. Ensure that the cleaning work has been completed.