Why does Samsung mobile phone often make a tinkling sound and how to deal with it?

Hello, that's the notification tone of the system. If you don't need it, you can choose to close it, find the sound in the setting interface, and then click in to close the notification sound.

Specific steps:

In the phone desktop, find the "Settings" item. After finding the "Settings" item, click Open.

Find "Sound" in "Settings" and click "Open".

After clicking "Sound", you need to find the setting item of notification sound, and then close it.