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Y O U R P E R S O N A L S E T T I N G S
L O C K I N G Y O U R T R E O 7 5 0 A N D I N F O
214
12
CH
AP
T
E
R
Locking the SIM card
You can lock your SIM (Subscriber Identity
Module) card to prevent unauthorized 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
You need the
following:
•
Make sure your phone is on and that
you’re inside a coverage area (see
Turning your Palm
®
Treo
™
750 smart
device on/off).
•
Get your default PIN from Cingular
1
Press
Start
and select
Settings
.
2
On the
Personal
tab, select
Phone
.
3
Select the
Security
tab.
4
Check the
Require PIN when phone is
used box
.
5
Enter the PIN and press
Done
(left action key).
6
Press
OK
to finish.
7
Turn your phone off to activate the
phone lock feature.
Your SIM card locks when you turn off your
phone and turn it back on. When your SIM
card is locked, you can unlock your SIM
card entering your PIN.
Summary of Contents for 1051NA - Treo 750 Smartphone 60 MB
Page 1: ...Your Palm Treo 750 Smart Device ...
Page 4: ......
Page 72: ...Y O U R P H O N E W H A T A R E A L L T H O S E I C O N S 64 3 C H A P T E R ...
Page 140: ...In this chapter Camera 133 Pictures Videos 138 Windows Media Player Mobile 142 ...
Page 158: ...In this chapter Contacts 151 Calendar 153 Tasks 159 Notes 161 ...
Page 258: ...W H E R E T O L E A R N M O R E 250 ...
Page 264: ...T E R M S 256 ...
Page 274: ...S P E C I F I C A T I O N S 266 ...