Samsung Galaxy Tab 4 10.1 NOOK 用户手册

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页码 121
113 
Security 
Device Administration 
Credential Storage 
Manage your device administrators and application 
installation privileges. 
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
2.  Tap General tab > Security for options: 
• 
Device administrators: Add or remove device 
administrators. 
• 
Unknown sources: Enable installation of 
non-Google Play applications. 
• 
Verify apps: Block or warn before installing 
apps that may cause harm. 
Warning! Enabling installation of third-party 
applications can cause your device and personal data 
to be more vulnerable to attacks by unknown sources. 
Security Update Service 
Automatically receive security updates. 
1.  From a Home screen, tap 
Apps > 
Settings
2.  Tap General tab > Security for options: 
• 
Security policy updates: Automatically or 
manually check for security policy updates. 
• 
Send security reports: Send security reports 
to Samsung via Wi-Fi for threat analysis. 
1.  From a Home screen, tap 
Apps > 
Settings
2.  Tap General tab > 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. 
Settings