Go to device settings and then to sound settings. Here you can choose a ringtone and even set the volume for each SIM card separately (if your phone supports two SIM cards). Click on the "+" icon to add a new ringtone to the list. You can download ringtones on the All Ringtones website, for example, the ringtone just the two of us https://all-ringtones.com/1665....52-bill-withers-grov . Unusual and very interesting. I think you will definitely like it

Boing Sound Effect - free download | Notification-Sounds.com

Boing Sound Effect .