ZTE Corporation 008Z ユーザーズマニュアル

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2. Drag the 
  icon to the right. 
3.  Enter the PIN or password you set. 
4. Tap OK
Disabling Screen Unlock Security 
If you have created an unlock pattern, PIN or password, you 
can disable it. 
1. Tap 
Home Key > 
  > Settings > Location & security 
> Change screen lock
2.  Draw the screen unlock pattern or enter your 
PIN/password you have created. 
3. Tap 
None
Protecting Your SIM with a PIN 
Every SIM card comes with a PIN. The initial PIN is provided 
by your service provider. It’s best to lock your SIM as soon as 
you can. 
1. Tap Home Key > 
  > Settings > Location & security 
> Set up SIM/USIM card lock. 
2. Tick the Lock SIM/USIM card check box. 
3.  Enter the PIN you’ve been given and tap 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.