Samsung Samsung Galaxy Tab S 8.4 用户手册

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Security

Settings

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 apps.

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:

• 

Encrypt device: Encrypt all data on your 
device.

• 

Encrypt SD card: Encrypt data on a memory 
card (not included).

Note: Make sure your battery is charged more than 
80 percent. Encryption takes an hour or more.

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.

 

► To access your device remotely,  

visit 

.

Note: You must sign up for a Samsung account and 
enable Google location service to use Find My Mobile.

1.  From a Home screen, tap 

 Apps > 

 Settings 

> General.

2.  Tap Security.

3.  Under Find My Mobile, the following options are 

available:

• 

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

• 

Go to website: Launch 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.

3.  Tap Make passwords visible to turn the 

feature on.

Security