View your missed calls
On the home screen, you can see when you have missed calls. The number of all missed events, including missed calls and received messages is displayed.
To view the phone number, swipe down from the notification area, and select the missed calls notification. The caller's name is displayed if stored in the contacts list.
Call back the contact or number
Select the contact or number.
View the missed calls list later
On the home screen, select 
> 
, and open the missed calls tab 
.