Joke Collection Website - Blessing messages - What's wrong with the oppo mobile phone without sound?

What's wrong with the oppo mobile phone without sound?

How to deal with the silence of mobile phone receiving information: 1 Check whether the mute mode of the mobile phone is turned on: Settings > Sound and Vibration (Sound) > Mute (Mute Mode) > Turn on the mute function.

2. check whether the phone is turned on in Do Not Disturb mode: "Settings > Do Not Disturb Mode".

3. Has the mobile phone turned off the switch of the notification center: "Settings > Notification Center (notification and status bar) > (notification management) > Information > Allow notification/ringing".

This answer applies to all OPPO models.