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Samsung Galaxy Tab 4 10.1 User Manual

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Security 
Settings
Security  
Secure your device and protect 
your data with Security settings. 
Device Administration 
Manage your device administrators and application 
installation privileges. 
1.  From a Home screen, tap 
Apps > 
Settings > GENERAL tab. 
2.  Tap Security for options: 
• 
Device administrators: Add or remove device 
administrators. 
• 
Unknown sources: Enable installation of 
non-Google Play applications. 
Warning: Enabling installation of third-party 
applications can cause your device and personal data 
to be more vulnerable to attacks by unknown sources. 
Encryption 
Require a numeric PIN or password to decrypt your 
device each time you power it on or encrypt the 
data on a memory card (not included) each time it is 
connected. 
1.  From a Home screen, tap 
Apps > 
Settings > GENERAL tab. 
2.  Tap S
ecurity for options: 
• 
Tap Encrypt device and follow the prompts to 
encrypt all data on your device. 
• 
Tap Encrypt external SD card to encrypt data 
on a memory card (not included). 
Factory Data Reset Password 
Use this option to set up your password when one is 
first required or change your current password. 
1.  From a Home screen, tap 
Apps > 
Settings > GENERAL tab. 
2.  Tap Security > Set up/change password. 
3.  Enter a new password and tap Confirm. 
4.  Enter the new password again and tap Confirm. 
SIM Card Lock 
Lock your SIM card by requiring a PIN. 
1.  From a Home screen, tap 
Apps > 
Settings > GENERAL tab. 
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 tab. 
2.  Tap S
ecurity > Make passwords visible to turn 
the feature on.