What does the announcement bell in the mobile phone mean?

The ringtone of the notice refers to the music prompt after the notice arrives at the mobile phone. In the sound settings of mobile phones, different sounds can represent different meanings. The phone rings for a long time, and even if the phone is not around, the music will prompt the owner to answer the phone quickly.

Setting the ringtone of SMS and notification separately allows the owner to decide whether to read the message immediately according to his own time allocation. This setting is more humane, and he won't miss important news because he doesn't care for a while. Because the types of apps are different, car owners can make changes according to their own needs.