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basics
codes & passwords
The Security menu lets you turn security 
features on and off and change passwords:
Find it: 
M
 > 
u
 >
 Security
SIM PIN
 — Enables and disables your phone’s 
SIM PIN security feature.
GPS PIN
 — Enables and disables your phone’s 
GPS PIN security feature.
Change Passwds
 — Changes your phone unlock 
code, security code, SIM PIN, and GPS PIN.
lock & unlock phone
Find it: 
M
 > 
u
 > 
Security
Phone Lock
 
— Turns on a feature that locks your 
phone: 
Lock Now
 takes effect immediately; 
Auto 
Lock
 takes effect when your phone is powered 
off and then on. An unlock code is required to 
enable this feature, to unlock the phone, and 
to set a new unlock code. Contact Nextel 
Customer Service at 1-800-639-6111 for your 
default unlock code.
Keypad Lock
 — Locks the phone’s keypad, either 
immediately or automatically after a set period 
of inactivity.
lock keypad
You can lock your phone’s external keys to 
prevent accidental key presses.
lock the external keys automatically after 
a specified time:
Find it: 
M
 > 
u
 > 
Security > Keypad Lock > Auto 
Lock
Tip: 
You can lock the keypad inmediately by 
pressing 
M
 and 
*