Anytime one goes to the movies or a presentation, it is often better to put the phone in silent mode. This is the technique to rapidly set your YotaPhone silent.
How exactly to enable silent mode on your YotaPhone
If you want the YotaPhone silent, realize that it is extremely simple. To achieve this, just press and maintain the Lock button for 4 seconds and a screen comes into the foreground. You are able to see the 3 audio modes of your YotaPhone. The one on the bottom left is the silent mode. You just hit on it and it’s good, the YotaPhone is silent!