Palm Treo 500v User Manual page 242

13
Y O U R P E R S O N A L S E T T I N G S
Locking the SIM card
You can lock your SIM (Subscriber Identity
Module) card to prevent unauthorised use
of your mobile account. When your SIM
card is locked, you must enter the PIN to
power on your phone to make or receive
calls, except for emergency numbers. The
SIM card remains locked even if you move
the card to another phone.
When your SIM card is locked, you can
unlock your SIM card by trying to turn on
the phone. A dial pad appears for you to
enter your PIN.
BEFORE YOU BEGIN
Make sure your phone is on and that
•
you're inside a coverage area (see
Turning your phone on).
Get your default PIN from your network
•
operator.
The PIN is normally a four-digit number
TIP
printed on a card that comes with your SIM
card. Store the PIN card in a safe location in
case you later need to remember your PIN.
1 Press Home
Start
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L O C K I N G Y O U R S M A R T P H O N E A N D I N F O
, and then press
(left softkey).
2 Navigate to the My Settings content
list and press All Settings
softkey).
3 Select More, and then select Security.
4 Select Enable SIM PIN.
5 Enter the PIN and press Done
(left softkey).
6 Turn your phone off to activate the SIM
card lock feature.
When your SIM card is locked, you can
unlock your SIM card by turning on your
smartphone and entering your PIN when
prompted.
You can unlock your SIM card so that you
TIP
do not need to enter a PIN when you turn on
your smartphone. Follow the steps in the
preceding procedure, but select Disable SIM
PIN in step 4.
(right