BlackBerry 10.3.1 User Manual

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Protect your SIM card with a PIN
You can use a SIM card PIN to prevent unauthorized use of your SIM card in another device. For example, if you lose your 
SIM card and someone tries to use it in another device, the SIM card can't be used unless the PIN is entered correctly.
You can request the PIN for your SIM card from your service provider.
1.
On the home screen, swipe down from the top of the screen.
2.
Tap 
 Settings > Security and Privacy > SIM Card.
3.
Turn on the SIM Card PIN Lock switch.
4.
Type the SIM card PIN that your service provider gave you.
CAUTION: If you exceed the number of allowed attempts to enter the SIM card PIN, your SIM card will stop functioning. To 
unblock your SIM card, contact your service provider.
Change your SIM card PIN
1.
On the home screen, swipe down from the top of the screen.
2.
Tap 
 Settings > Security and Privacy > SIM Card.
• To change the PIN that protects your SIM card, tap Change PIN 1.
• To change the PIN that controls access to calling features such as fixed dialing, tap Change PIN 2.
BlackBerry Protect
BlackBerry Protect includes features designed to help you find your BlackBerry device and help protect your device's data 
if your device is ever lost or stolen. You can manage up to seven devices from your BlackBerry Protect account.
Finding and protecting a lost device
After you turn on BlackBerry Protect in your device settings, visit 
 and sign in with your 
BlackBerry ID. On the BlackBerry Protect website, you can view the current location of your device on a map, make it ring 
(even if it's in silent mode), or display a custom message on your locked device to provide instructions about how to contact 
you. If your device is stolen, you can remotely lock it, change the password, or delete all of the data from your device.
If you add a work email account to your device, your administrator might disable BlackBerry Protect, or the ability to 
remotely change your password or locate your device.
User Guide
Security and backup
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