GT-S7562 User Manual2.8 Lock/Unlock ScreenThis section describes how to lock and unlock the screen.Your phone screen will turn off and phone keys are locked, when the phone isnot used for specific period, for example 1 minute. This prevents accidentaltouch events.To manually lock the screen, press the Power key.To unlock the phone, press the power key and swipe in any direction.3 CallsSimilar to the landline phone, you use your mobile phone to make a telephonecall.3.1 Making a CallThis section describes how to make a call. There are two ways in which youcan make a call:• Using the Number Keypad.• Using contacts from your address book.3.1.1 Using the Number KeypadThis section describes how to make a call using contacts from your addressbook.Steps1. Tap Phone on the Home screen and keypad will open.2. Enter the area code and the phone number on the keypad. To delete a digit,tap .10