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.