1. Close useless applications: In the background operation of the mobile phone, applications are not often used, but they still occupy the running memory of the mobile phone. You can press and hold the Home key or double-click the Home key to enter the Task Manager and close unnecessary applications.

2. Clean up the cache and junk files: the mobile phone will produce cache and junk files during use, and the files will occupy the running memory of the mobile phone. You can regularly clean up the cache and junk files of the mobile phone and release the running memory of the mobile phone.