Samsung Galaxy Tab A 9.7" User Manual

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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 
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 Device 
Require a numeric PIN or password to decrypt your 
device each time you power it on. 
1.  From a Home screen, tap 
Apps 
Settings
2.  Tap Lock screen and security Encrypt 
device
3.  Tap Encrypt device and follow the prompts to 
encrypt all data on your device. 
Encrypt SD Card 
Require a numeric PIN or password to decrypt your 
memory card (not included) when you first access it 
after powering on your device. 
1.  From a Home screen, tap 
Apps 
Settings
2.  Tap Lock screen and security > Encrypt 
SD card
3.  Tap Encrypt SD card and follow the prompts to 
encrypt all data on your memory card. 
Other Security Settings 
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 > Make passwords visible to turn the 
feature on. 
Security Update Service 
Automatically receive security updates. 
1.  From a Home screen, tap 
Apps 
Settings
2.  Tap Lock screen and security > Other security 
settings for the following Security update 
service options: 
• 
Security policy updates: Automatically or 
manually check for security policy updates. 
-
Automatic updates can also be limited to 
only when your device is connected to a 
Wi-Fi network. 
• 
Send security reports: Use Wi-Fi to send 
security reports to Samsung for threat 
analysis. 
Device Administration 
Manage your device administrators and application 
installation privileges. 
1.  From a Home screen, tap 
Apps 
Settings
2.  Tap Lock screen and security > Other security 
settings > Device administrators
• 
Tap Android Device Manager to allow it to 
lock or erase a lost device. 
Settings  
75 
Lock Screen and Security