Samsung A640 - Manual (Page 93)

Section 2C: Setting Your Phone’s Security 71
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Unlocking Your Phone
To unlock your phone:
1. From standby mode, press Talk, Left/Right softkey,
Volume key, or Menu/OK key.
2. Enter your lock code.
Calling in Lock Mode
You can place calls to 911 and to your special numbers when
in lock mode. (For information on special numbers, see
“Using Special Numbers” on page 73.)
To place an outgoing call in lock mode:
ᮣ
To call an emergency number, special number, or Sprint
Customer Service, enter the phone number and press
.
Changing the Lock Code
To change your lock code:
1. Select Menu > Settings > Security.
2. Enter your lock code. (The Security menu is displayed.)
3. Select Change Lock.
4. Enter your new lock code and press Next ( ).
5. Re-enter your new lock code and press Done ( ).