1. Call up the folder of storage media and transfer photos and videos to SD card or computer.
2. Delete files that have been read and have no saving value.
3. Clean up the memory garbage. Download and install mobile phone management software, such as some third-party cleaning software, to further clean up the cache, system and uninstall the residue.
4. Software management. There are too many software installations, so it is necessary to uninstall and clean up the uncommon software to release memory; For software that takes up too much memory, some software can be "moved to SD card" through some mobile phone management software to release memory space.
5. Set the mobile phone browser and save the download location to the SD card instead.
6. Enter the photo state, enter the camera settings in the photo interface, and set the photo storage location as "SD card".
7. Of course, the most thorough cleaning method is to make a backup of the mobile phone, reset the mobile phone and restore the factory settings.