Anytime one goes to the movies or a presentation, it is frequently better to put the phone in silent mode. This is the process to quickly put your HTC Desire 825 silent.
How to enable silent mode on your HTC Desire 825
If you desire the HTC Desire 825 silent, realize that it is ultra simple. To achieve this, simply press and maintain the Lock button for 4 seconds and a screen pops into the foreground. You can see the three sound options of your HTC Desire 825. The one on the bottom left is the silent mode. You just hit on it and it’s good, the HTC Desire 825 is silent!