Learn the Phone app
Dial stored numbers
You can place calls from the Phone app 
, the People app 
, or other apps or widgets that display contact information. Wherever you see a phone number, you can usually touch it to dial.
To dial using the Phone app:
G Touch the Phone icon 
on a Home or All Apps screen. Notice the three tabs at the top of the phone. You can make calls from any of them.
GThe Dialer tab 
lets you dial manually. Touch the keys
to enter the number, then touch the Phone icon 
below the keypad to dial.
If you enter a wrong number, touch 
to erase digits one by one.
To see numbers for all your contacts, touch 
. You can also search your contacts from here.
To dial an international number, touch & hold the 0 key to enter the plus ( + ) symbol. Then enter the international prefix for the country, followed by the full phone number.
GThe Call log tab 
shows recent calls. Touch a call to return it.
G The Favorites tab 
shows the numbers you usually call. Touch to dial.
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