Apple iPhone 5s

Press Settings.

Press Do Not Disturb.

Press the indicator next to "Do Not Disturb" to turn the function on or off.

Press the indicator next to "Scheduled" and follow the instructions on the screen to select the required period for Do Not Disturb.

Press Always if you want to set your phone to silent mode permanently.

Press While iPhone is locked if you want to set your phone to silent mode only when the screen lock is turned on.

Press Allow Calls From.

Press the required setting to select which contacts can call you even though Do Not Disturb is turned on.

Press arrow left.

Press the indicator next to "Repeated Calls" to turn the function on or off.

Press Activate.

Press the required setting.

Press arrow left.

Press Auto-Reply To.

Press the required setting to select which contacts should automatically be notified that Do Not Disturb While Driving is turned on.

Press arrow left.

Press Auto-Reply to edit the automatic message that Do Not Disturb While Driving is turned on.

Press the Home key to return to the home screen.