How to enable or disable autoplay sound in YouTube?

okay so here i'm just browsing uh youtube and there is an update in youtube mobile app on ios where you can enable or disable how to play with so makes interacting so here you can see that i just disabled sound and it's disabled by default and then it just means that yep there is no sound when i just browsing some of the videos um okay there is some writing but yeah i'm just showing you around like how that works so yep that's the idea hope that is helpful