HTC HTC S621 To enable the SIM personal Identification number PIN, To disable the SIM PIN

66 Managing your Phone

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 keyboard or the entire phone to prevent unauthorized access.

To enable the SIM personal Identification 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 SIM PIN

3.In Old PIN, enter the current PIN.

4.Enter and confirm the new PIN, and click Done

To lock the keyboard

Locking the keyboard turns off keyboard functionality. This is a helpful feature if, for example, the phone is turned on and in your pocket, and you want to prevent accidental keypresses.

•On the Home screen, press and hold END.

Once the keyboard is locked, the left soft key label changes to

Unlock

Tip To quickly lock the keyboard, press POWER briefly to display the Quick List, and select Key lock.