Users can go to the mobile phone administrator's home and click on the mobile phone to accelerate. The mobile phone manager can automatically clean up the cache garbage and unnecessary memory of the mobile phone.

This big file management is the big file stored in the mobile phone detected by the mobile phone. Generally can be deleted, 300-400 megabytes are usually video. However, it is suggested that the landlord know what this file is before deleting it, so as not to delete his important data by mistake. As long as it is not systematic, it can be deleted.