Some temporary files or junk files will be generated during the use of the mobile phone. These files will gradually become larger after a long period of use, thus occupying the use space of the use case, however, these files cannot be deleted from the mobile phone interface. Therefore, we recommend that you perform the following operations when encountering such problems:
1) we recommend that you store fewer images on SD and regularly connect to your computer to clean up junk files or folders;
2) enterSettings> bucket managementTo check whether there are cache and temporary files on your mobile phone. If you click"Clean up"To clear;
3) unplug the SD card and restart the mobile phone. 4) If the storage space cannot be released, back up your personal data and perform"Restore factory settings ",For more information, see "how to restore factory settings"