A22 5G unable to identify cause of noises

[Tekaham]

My phone is making noises and I can not see the reason for this.

There is nothing in the notifications

How can I investigate the source of noise?

All help appreciation

[Tekaham]

Thanks

Do not have a cover with cards!

I looked in the Notification history, many entries. Please tell me how can I delete history so that only recent ones appear. 

[Robin999]

Just toggle it off and back on.

[Tekaham · Accepted solution]

Thanks, everybody for the help

I found the cause of the notification sound - a program called PhoneLink, running on my laptop. This program appears to cause the phone to make a noise every time the Bluetooth connection is made or broken!