A reminder without sound will be a vibrate-only reminder.
You must also ensure that 'Vibrate on Ring' and 'Vibrate on Silent' are enabled in iOS > Settings > Sounds for vibration to work.
A reminder without sound will be a vibrate-only reminder.
You must also ensure that 'Vibrate on Ring' and 'Vibrate on Silent' are enabled in iOS > Settings > Sounds for vibration to work.