1.If you meet the issue when you are using some specific applications, remove the application and download APPs from the Google Play store and realme official store rather than other sources.
2.Close unused background applications.
3.Clear caches and do security scanning.
4.Delete the photos, music, messages, videos, or other files that are no more needed.
5.Reduce the use of dynamic wallpapers or small plug-ins with real-time refresh capabilities.
6.Update the system to the latest version and restart your phone once a week to clean up broken or damaged caches and prevent APP bugs to make for a smoother user experience.
Source: Realme