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Unknown Sources
Enable installation of non-Google Play applications.
1. From a Home screen, tap Apps > Settings.
2. Tap Lock screen and security > Unknownsources
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 Phone
Protect your device by encrypting its data.
1. From a Home screen, tap Apps > Settings.
2. Tap Lock screen and security > Encrypt phone.
3. Tap Encrypt phone and follow the prompts to
encrypt all data on your device.
Other Security Settings
Set Up SIM Card Lock
Require both your SIM card PIN and your ordinary
screen lock type when unlocking the device.
1. From a Home screen, tap Apps > Settings.
2. Tap Lock screen and security > Other security
settings > SetupSIM card lock and follow the
prompts.
3. Tap Lock SIM card to enable the feature.
4. Tap Change SIM card PIN to create a new PIN.
View Passwords
Display password characters briefly as you type them.
1. From a Home screen, tap Apps > Settings.
2. Tap Lock screen and security > Other security
settings > Makepasswords visible to turn the
feature on.
Settings Lock Screen and Security 168
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