Security 151
Security
Protecting your SIM card with a PIN
Add another layer of security for your phone by assigning a PIN (personal
identification number).
Make sure you have the default SIM PIN provided by your mobile operator before
continuing.
1. From the Home screen, press MENU, and then tap
Settings > Security.
2. Tap
Set up SIM card lock
, then select
Lock SIM card
.
3. Enter the default SIM card PIN, and then tap
OK
.
4. To change the SIM card PIN, tap
Change SIM PIN
.
Restoring a SIM card that has been locked out
If you enter the wrong PIN more times than the maximum number of attempts
allowed, your SIM card will become “PUK-locked.” You need a PUK code to restore
access to the phone. This code may have been provided by T-Mobile when you
received your SIM card.
1. On the Phone dialer screen, enter the PUK code, and then tap
Next
.
2. Enter the new PIN you want to use, and then tap
Next
.
3. Enter the new PIN again, and then tap
OK
.
Protecting your phone with a screen lock
Protect your personal information and prevent others from using your phone without
your permission by setting a screen lock password, a PIN, or a lock pattern.
Your screen lock will be asked every time your phone is turned on or when it’s idle for
a certain period of time.
1. From the Home screen, press MENU, and then tap
Settings
>
Security
.
2. Tap
Set up screen lock
.
3. Tap one of the following:
Emergency calls can be placed at any time without requiring a PIN. See “Making an
emergency call” in the Phone calls chapter for more details.
None
Disable the screen lock you’ve previously created.
Pattern
Set a screen lock pattern by following the onscreen instructions.
PIN
Set a numeric password of at least four digits.
Password
Set an alpha-numeric password. Tap the text field to show the onscreen
keyboard, then enter your password.