The method of cleaning up the mobile phone cache garbage is as follows:

Tools: Huawei mate40pro, HarmonyOS OS3.0, mobile phone settings.

1. Open the phone settings and click Save.

2. On the Storage page, click Cleanup Acceleration.

3. Jump to the page and click Clean.

4. Another way is to open the phone settings and click on the application and service.

5. Click Application Management at the top of the page.

6. On the Application Management page, select the software to clean.

7. Enter the software information page and click Store.

8. Enter the storage page and click Manage Space and Clear Cache.