This function in the smartphone will remind you of received but not read notifications from applications (installed in the phone), operators and advertising notifications. It can be useful for older or forgetful people who have memory problems.
To enable the service, go to Settings> Special. Features> Notification Reminder.
Upon activation, you will hear a sound or vibration on your phone when there are unread notifications. Vibration is enabled as a separate option. And the interval of the sound reminder can be adjusted: 1, 3, 5, 10, 15 minutes (response interval).
If you receive too many notifications, you can manually turn off receiving messages from some unimportant applications. to do this, slide the switch to the Off position. opposite the selected application.