1. Close unneeded applications: click the Recent Tasks button in the lower left corner of the screen-click the "X" in the upper right corner of the application to be closed/close all the applications below.
2. Move the multimedia file to the expansion card or set the shooting storage path to the expansion card. If there is no memory card, it is recommended to move multimedia files to the computer regularly.
3. Uninstall uncommon software or files.