Using speed dialing on my mobile phone
A contact can be saved on a number key and dialed by tapping and holding the key it's saved on. It's easy, but remember you need to save a contact on a speed dialing key before you can use this function.
Use speed dialing
Tap the phone icon.
Tap and hold the required number key until the number is called.
Tap the end call icon.
Return to the home screen
Tap the Home key to return to the home screen.