HTC 3125 - Manual (Page 63)

Managing your Phone 63
4.5 Protecting your Phone
There are several levels of security on your phone. You can protect
your phone from unauthorized use by requiring a type of password
called a PIN (personal identification number) in order to make calls.
Your first PIN will be given to you by your wireless service provider.
Additionally, you can lock the keypad or the entire phone to prevent
unauthorized access.
To enable the SIM personal identifi cation number (PIN)
1. On the Home screen, click Start > Settings > Security.
2. Click Enable SIM PIN.
3. Enter your PIN and click Done.
Note To cancel without enabling the SIM PIN, press HOME.
To disable the SIM PIN
1. On the Home screen, click Start > Settings > Security.
2. Click Disable SIM PIN.
3. Enter your PIN and click Done.
To change the SIM PIN
Be sure to make a note of your personal identification number (PIN).
When the SIM PIN is enabled, you must provide this PIN to unlock the
phone.
1. Click Start > Settings > Security.
2. Click Change PIN2.
3. In Old PIN, enter the current PIN.
4. Enter and confi rm the new PIN and click Done.
Lock the keypad
Locking the keypad turns off keypad functionality. This is a helpful
feature if, for example, the phone turning itself on in your pocket and
making accidental key presses.