Samsung SPH-M510 Guia Do Utilizador

Section 2C: Setting Your Phone’s Security

All of your phone’s security settings are available through the 
Security menu. You must enter your lock code to view the 
Security menu.

Select Menu > Settings > More > Restrict and Lock. (You’ll 
need to enter your lock code to access the various 
Restrict and Lock options: Voice, Data, Camera/Picture, 
and Lock My Phone.)

When your phone is locked, you can only receive incoming 
calls or make calls to 911, Sprint Customer Service, or special 
numbers. (See “Creating and Using Special Numbers” on 
page 93.)

Select Menu > Settings > More > Restrict and Lock.

Highlight Lock My Phone and press 

.

Enter your lock code.

Select On Power-Up, or Lock Now. (To set your phone to 
lock the next time it is turned on, select On Power-Up 

and press 

.)

If you can't recall your lock code, try using the last four digits 
of your wireless phone number. If this doesn't work, call 
Sprint Customer Service at 1-888-211-4727.