2. Then enter the file management page and click the "Clean" button at the bottom.
3. After entering the garbage cleaning page, find and click the "slimming mobile phone" function in the upper right corner.
4. After entering the slimming page of the mobile phone, slide down the page and find the "big file".
5. After finding the big file, other files stored in the internal will be displayed under the big file, and click "Go to Clean".
6. Enter the large file page, select the file to delete, and then click Delete the selected file.
7. Then a dialog box will appear, and click OK.
8. It will be cleaned up afterwards. Cleaning takes time, and there will be a "cleaning" prompt, so it's best to keep the phone still.
9. After cleaning, the large file page will be blank, which means that all other files in the internal storage space have been deleted.