››Lock your SIM or USIM card
You can lock your device by activating the PIN supplied with your SIM or USIM card.
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In Idle mode, open the application list and select Settings
→ Location and security → Set up SIM card lock → Lock SIM card.
Enter your PIN and select OK.
Once the PIN lock is enabled, you must enter the PIN each time you turn on the device.
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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.
››Activate the mobile tracker
When someone inserts a new SIM or USIM card in your device, the mobile tracker feature will automatically send the contact number to specified recipients to help you locate and recover your device.
To use this feature, you need a Samsung account for controlling the device from the web remotely.
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In Idle mode, open the application list and select Settings
→Location and security → SIM Change Alert.
Enter your email address and password for your Samsung account and select Sign in.
To create a Samsung account, select Sign up.
Getting started
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