Enable/Disable notifications sounds
Open "Settings app" 
:
- tap on "Sound & notification"or "Sound",
- tap on "Advanced", if needed,
- tap on "Default notification ringtone/sound",
- select "None" or a ringtone and tap on OK to save.*
* To choose a personal ringtone, tap on
at the top of the list or on
"Add ringtone" down the list.
:- tap on "Sound & notification"or "Sound",
- tap on "Advanced", if needed,
- tap on "Default notification ringtone/sound",
- select "None" or a ringtone and tap on OK to save.*
* To choose a personal ringtone, tap on
at the top of the list or on"Add ringtone" down the list.