Samsung Galaxy Tab 4 10.1 用户手册

105 

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. 

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. 

2. Tap Security 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). 

Find My Mobile 

Protect your device from loss or theft allowing your 
device to be locked, tracked, and for your data to be 
deleted remotely. 

Note: You must sign up for a Samsung account 
and enable Google location service to use 
Remote controls. 

1. From a Home screen, tap 

Apps > 

Settings > GENERAL. 

2. Tap Security for options: 

•

Remote controls: Lock and erase your data 
remotely if your device is lost or stolen. 

•

Go to website: Direct link to the Find my 
Mobile website. 

Passwords 

Display password characters briefly as you 
type them. 

1. From a Home screen, tap 

Apps > 

Settings > GENERAL. 

2.  Tap Security > Make passwords visible to turn 

the feature on.