Enter Settings>Fingerprint, Face and password (Fingerprint and password)/Security/Privacy>Privacy and app encryption>Hide App>turn on the switch of the app to hide it. Once hidden, the app will be completely closed, which means that it will not be displayed on the Home screen, Recent Apps interface, or on app lists, and will stop receiving new messages. After using, remove it from the Recent Apps interface or use Speed up to revert the app to hidden status. Kindly Reminder: Hide App is only available on our phones with FuntouchOS 9.0 or higher version excepts for Dual Display edition.