Use APKPure App
Get Do Not Disturb old version APK for Android
your phone will be totally muted (ringtones, alarm, and al the sounds)
Just one click will make your phone totally muted.
*** Good Things about Do Not Disturb ***
1. Phone calls will not make any sound. No worry for other people feel ignored because it is not rejecting the phone calls. Just silent.
2. No disturbing your sleeping or moment because of perfect mute mode
3. Easy to use. Just one touch No annoying setting