First, you can uninstall software that is not commonly used.
Tencent Mobile Manager-Software Management-Select Software-Uninstall
Second, clean up the garbage.
Tencent Mobile Manager-Cleaning Acceleration-One-click Cleaning Acceleration
Or mobile phone slimming-software moving-select-confirm moving.
After a long time, there will be garbage in the video cache. It is recommended to clean it frequently to keep the mobile phone running stably.