Personalize vibrations on your
iPhone, to know when someone calling, by just feeling it!

To do it...
>> Open the
contact for whom you want to assign a custom vibration.
>> Tap
Edit ->
Vibration -> and
select the vibration you'd like to include, from available list
Or
create an new vibration.
>>> To do so, select
Create New Vibration and
tap on the screen to record a rhythm (
will be translated into a vibration)>>> Approve and hit
save.
Now you will know who is calling without even looking at your phone even when silent (vibration On)!
*