Samsung Cricket Wireless Galaxy S8, Руководство пользователя

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Set up SIM card lock
You can set up a PIN to lock your SIM card, which prevents unauthorized use of your
SIM card if someone attempts to use it another device.
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From Settings, tap Biometrics and security > Other security settings > Set up
SIM card lock and follow the prompts.
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Tap Lock SIM card to turn on the feature.
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Tap Change SIM card PIN to create a new PIN.
View passwords
You can have characters displayed briefly in password fields as you type them.
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From Settings, tap Biometrics and security > Other security settings >
Make passwords visible to turn on the feature.
Security update service
You can set your device to automatically check for security updates.
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From Settings, tap Biometrics and security > Other security settings , and then
tap Security policy updates to check for security updates.
Device administration
You can authorize security features and apps (like Find My Mobile) to have
administrative access to your device.
1. From Settings, tap Biometrics and security > Other security settings >
Device admin apps .
2. Tap an option to turn it on as a device administrator.
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Settings