Protecting Your Sim With A Pin - Zte Z740 User Manual

PIN or password.
Subsequently, you must enter your PIN or password each
time you power on your phone, to decrypt it.

Protecting Your SIM 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 as
soon as you can.
1. Touch the Home Key > Menu Key > System settings >
Security > Set up SIM/RUIM card lock.
2. Check Lock SIM card.
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 > System settings >
Security > Set up SIM/RUIM card lock.
2. Make sure you already check Lock SIM card.
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.
Restoring a Locked SIM Card
Put all your confidential passwords in a safe place for future