Protecting Your Sim Card With A Pin - Zte V790 User Manual

1. Touch the Home Key > Menu Key > Settings >
Location & security > Change screen lock.
2. Draw the screen unlock pattern or enter your PIN/
password you have created.
3. Touch None.

Protecting Your SIM Card With a PIN

Every SIM card comes with a PIN. The initial PIN is provided
by your mobile phone carrier. It's best to lock your SIM card
as soon as you can.
1. Touch the Home Key > Menu Key > Settings >
Location & security > Set up SIM card lock.
2. Tick the Lock SIM card check box.
3. Enter the PIN you've been given and touch OK.
Changing Your SIM PIN
You can change the PIN you've been given to one easier for
you to remember and harder for others to guess.
1. Touch the Home Key > Menu Key > Settings >
Location & security > Set up SIM card lock.
2. Make sure you already tick the Lock SIM card check box.
3. Touch Change SIM PIN.
4. Enter the old PIN and touch OK.
5. Enter your new PIN and touch OK.
6. Enter the new PIN again and touch OK.
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