Samsung Galaxy Galaxy Note - Lock Your Sim or Usim Card

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Getting started
Set an unlock PIN
In Idle mode, open the application list and select
1
Settings
→
Location and security
→
Set up screen lock
→
PIN.
Enter a new PIN (numeric) and select
2
Continue.
Enter the PIN again and select
3
OK.
Set an unlock password
In Idle mode, open the application list and select
1
Settings
→
Location and security
→
Set up screen lock
→
Password.
Enter a new password (alphanumeric) and select
2
Continue.
Enter the password again and select
3
OK.
Lock your SIM or USIM card
›
You can lock your device with the PIN that is supplied with
your SIM or USIM card.
In Idle mode, open the application list and select
1
Settings
→
Location and security
→
Set up SIM card lock
→
Lock SIM card.
Enter your PIN and select
2
OK.
Once the SIM lock is enabled, you must enter the PIN each
time you turn on the device.
If you enter an incorrect PIN too many times, your SIM
●
or USIM card will be blocked. You must enter a PIN
unlock key (PUK) to unblock the SIM or USIM card.
If you block your SIM or USIM card by entering an
●
incorrect PUK, take the card to your service provider
to unblock it.