The method of cleaning up junk files on vivo X9 mobile phone: enter I Housekeeper-Space Management-Scan and clean up junk files.

Specific operation steps:

1, standby desktop becomes I housekeeper

2. Space management

3. Scan and clean up junk files.

Tips: If the memory of the mobile phone is insufficient, you can uninstall the software that is not commonly used in the mobile phone to avoid unnecessary memory occupation. You can also enter the file management to clean up videos, songs, compressed packages, etc. It's in your cell phone.