Samsung GT-B5510 Lock your SIM or USIM card

Getting started
34
Draw a pattern by dragging your finger to connect at least
3
4 dots and select Continue.
Draw the pattern again and select
4
Confirm.
Set an unlock PIN code
In Idle mode, open the application list and select
1
Settings
→
Location and security
→
Set 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 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 by activating the PIN 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 PIN 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, bring the card to your service provider
to unblock it.