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by your mobile phone carrier. It’s best to lock your SIM card
as soon as you can.
1. Press Home key > Settings > Security > Set up SIM
card lock.
2. Tick the Lock SIM card check box.
3. Enter the PIN you’ve been given and tap OK.
TIPS: If you enter the wrong SIM PIN more times than
allowed, your SIM card will be locked and you cannot access
the mobile phone network. Contact your operator for a PIN
Unlock Key (PUK) to restore the SIM card.
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. Press Home key > Settings > Security > Set up SIM
card lock.
2. Make sure you already tick the Lock SIM card check box.
3. Touch Change SIM PIN.
Setting up Credential Storage
This lets you select applications to access secure certificates
and other credentials.
Deleting Secure Credentials
1. Press Home Key > Settings > Security.
2. Touch Clear credentials to clear credentials.