There's technology to make the sound with the screen. Vivo Apex did it: https://www.whathifi.com/news/vivos-apex-concept-smartphone-has-vibrating-screen-instea

There's technology to make the sound with the screen. Vivo Apex did it: https://www.whathifi.com/news/vivos-apex-concept-smartphone-has-vibrating-screen-instead-speakers https://www.whathifi.com/news/vivos-apex-concept-smartphone-... https://mashable.com/2017/02/28/redux-phone-screen-speaker/ https://mashable.com/2017/02/28/redux-phone-screen-speaker/