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Lock Screen and Security
Settings
•
SIM change alert: Prevent unauthorized
changes to your SIM card by being alerted
whenever an app or service attempts to change
data on your SIM card.
•
Reactivation lock: Use your Samsung account
to stop anyone from reactivating you device
without your permission.
Unknown Sources
Enable installation of non-Google Play applications.
1. From a Home screen, tap
Apps > Settings >
Lock screen and security.
2. Tap Unknown sources to enable this option.
Warning: Enabling installation of third-party applications
can cause your device and personal data to be more
vulnerable to attacks by unknown sources.
Encrypt Your Data
Require a numeric PIN or password to decrypt your
device each time you power it on or encrypt the
data on a memory card (not included) each time it is
connected.
1. From a Home screen, tap
Apps > Settings >
Lock screen and security.
2. Tap Other security settings > Encrypt phone
and follow the prompts to encrypt all data on your
device.
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