Why does Xiaomi 3 always have a system prompt and can't see any short messages or something?

First determine the source of the tone, and then select Close.

Message delivery prompt tone.

The notification tone of the software.

Network notification of wireless local area network.

After NFC, NFC function is turned on, there will be a prompt when the mobile phone is close to the bus card and bank card.

If it is confirmed that it is the voice of receiving a text message.

Is the storage space full? This can clean up the memory properly and reserve enough memory space.

In Xiaomi SMS interface, press the menu key to select anti-jamming and select SMS to see if there are any intercepted SMS.

Security screening, turn on security to see if there is any intercepted news. If you want to receive this message, you can set this number as a white list.

Finally, consider refreshing the machine or "restoring factory settings". Note: Before this, you must back up important information and applications. ?

In order to distinguish the prompt sounds, we can set different sounds to distinguish them: Settings-Scene Settings-In preset mode, Standard (set later).