(1) Download and install mobile phone management software, such as Cheetah Cleanup Master or 9 1 Mobile Assistant, to further clean up cache, system and uninstall residues;

(2) Unused software needs to be uninstalled and cleaned to release memory. You can release memory space by "moving software to SD card" through 9 1 mobile assistant or cheetah cleaner;

(3) Set the mobile phone browser, and change the download location to SD card;

(4) Enter the photographing state, enter the camera settings in the photographing interface, and set the photo storage location as "SD card".

If the above methods are not enough, it is strongly recommended that you make a backup of your mobile phone, reset your mobile phone and restore the factory settings. This is the most thorough and effective method.