SIM Card Lock
Lock your SIM card by requiring a PIN.1.From a Home screen, tap 
Apps > 
Settings
>General.
2.Tap Security > Set up SIM card lock.•Tap Lock SIM card and enter the PIN.•Tap Change SIM PIN to change the PIN.Passwords
Display password characters briefly as you type them.1.From a Home screen, tap 
Apps > 
Settings > General.
2.Tap Security.
3.Tap Make passwords visible to turn the feature on.Security Update Service
Automatically receive security updates.1.From a Home screen, tap 
Apps > 
Settings
>General.
2.Tap Security for options:
•Security policy updates: Automatically or manually check for security policy updates.
•Send security reports: Send security reports to Samsung using
Credential Storage
Manage your security certificates. If a certificate authority (CA) certificate gets compromised or for some other reason you do not trust it, you can disable or remove it.
1.From a Home screen, tap 
Apps > 
Settings
>General.
2.Tap Security for options:
•Storage type: Select a storage location for credential contents.•Trusted credentials: Display certificates in your device’s ROM and other certificates you have installed.
•Install from device storage: Install a new certificate from storage.•Clear credentials: Erase the credential contents from the device and reset the password.
Advanced Security
Protect your device with these advanced security options.1.From a Home screen, tap 
Apps > 
Settings
>General.
2.Tap Security for options:
•Trust agents: Perform selected actions when trusted devices are connected.-To view Trust agents, set up a secured screen lock (Password, PIN, Pattern, or Fingerprints). For more information, see Set a Screen Lock.
•Pin windows: Pin a specific app on your device screen. Follow the prompts.
•Usage data access: View the applications that can access your device's usage history.
•Smart Lock: Set your device to stay unlocked when you have trusted devices connected or when it is in a trusted place. (Only available when a secure screen lock is set.)
-To view Smart Lock, set up a secured screen lock (Password, PIN, Pattern, or Fingerprints). For more information, see Set a Screen Lock.
•Do not disturb permission: View which apps have permission to change the Do not disturb settings.
Settings | 103 | Security |
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