Samsung GT-I9305 Lock your SIM or USIM card, Activate the Find my mobile feature

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Getting started
Set an unlock password
In the application list, select
1
Settings
→
Lock screen
→
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. Once the SIM or USIM lock is enabled,
you must enter the PIN each time you turn on the device or
access applications that require the PIN.
In the application list, select
1
Settings
→
Security
→
Set
up SIM card lock
→
Lock SIM card.
Enter your PIN and select
2
OK.
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 SIM or USIM card to your
service provider to unblock it.
Activate the Find my mobile feature
›
When someone inserts a new SIM or USIM card into your lost
or stolen device, the Find my mobile feature will send the
contact number to your specified recipients automatically,
so that you can locate and recover your device. To use this
feature, you must create a Samsung account for controlling
the device remotely via the Internet.