Samsung Galaxy S4 User Manual

115 Security 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
  
 
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 > MORE tab. 
2.	   Tap S

ecurit
y for options: 
• Device administrators: Add or remove device 
administrators. 
• Unknown sources: Enable installation of 
non- Google Play applications. 
Warning: Enabling installation of third-party...

116 Security 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
Passwords 
Display password characters brie�y as you type 
them. 
1.  From a Home screen, tap  Apps > 
Set
 tings > MORE tab. 
2.	  Tap Secur

ity > Make passwords visible to turn 
the feature on. 
Security Update Service 
Automatically receive security updates. 
1.  From a Home screen, tap  Apps > 
Set
 tings > MORE tab. 
2.	  Tap Secur

ity for options: 
• Security policy updates: Automatically or 
manually check for security policy...

117 Application Manager 
 
 
 
 
   
 
 
   
 
 
 
 
 
 
 
 
 
 
Application Manager
 
You can download and install 
new applications on your device. 
Use Application manager 
settings to manage your 
downloaded and preloaded 
applications. 
Warning: Because this device can be con�gured 
with system software not provided by or supported 
by Google or any other company, you operate this 
software at your own risk. 
Memory Usage 
See how memory is being used by Downloaded or 
Running applications....

118 Application Manager 
 
 
  
 
   
 
 
   
 
 
 
   
 
 
 
• CLEAR DEFAULTS: Clear an application’s 
customization. 
• Permissions: View information about the 
application’s access to your device and data. 
SD Card 
Displays apps you have downloaded onto your 
memory card (not included) . 
1.	  From a Home screen, tap 
Apps >  Sett

ings > MORE tab > 
Application manager.



 
2.	  Tap SD CAR

D to view a list of all the downloaded 
applications on your SD card. 
3.  To switch the order of the SD CARD...

119 Application Manager 
  
 
   
   
 
 
 
 
 
 
 
 
Turned O� 
View and con�gure disabled apps on your device. 
Note : This screen only displays if you have disabled 
an app on the Apps screen. 
1.	  From a Home screen, tap 
Apps >  Sett

ings > MORE tab > 
Application manager.



 
2.	  Tap DISA

BLED to view a list of applications you 
have disabled. 
3.	  To switch the order of the DISABLED list, tap 
MORE > Sort by size, or Sort by name. 
4.	  To reset all of your application...

120 Default Applications 
  
 
 
 
Default Applications
 
If you have multiple applications 
of the same type, such as email 
apps, you can select one app to 
be the default. 
You can also use a simpler 
Home screen which provides 
an easier user experience for 
�rst-time smartphone users. 
1.	  From a Home screen, tap 
Apps >  Sett
ings > MORE tab > 
Default Applications.



 
2.	   Tap Home and select a Home scr

een mode: 
• TouchWiz easy home: Provides an easier user 
experience for the...

121 Battery 
  
   
   
Battery
 
View how battery power is used 
for device activities. 
1. From a Home screen, tap  Apps > 
Set tings > MORE tab. 
2.	  Tap Batt

ery for options: 
•   Show battery percentage: Tap to display the 
battery charge percentage next to the battery 
icon on the Status Bar. 
Battery Chart 
The battery level displays as a percentage. The 
amount of time the battery has been used also 
displays. 
►  	 Tap the Battery chart to view History details. 
Apps and OS Usage 
Battery...

Storage
 
View the device memory and 
usage, or mount, unmount, or 
format an optional memory card 
(not included) . 
Device Memory 
View and manage the memory used by the device. 
1.  From a Home screen, tap  Apps > 
Settin
 gs > MORE tab. 
2.  Tap Storag

e. 
• The Device memory  displays Total space and 
Available space. 
• The amounts of memory used by Applications, 
Pictures and videos, Audio, Downloads, 
Cached data, and Miscellaneous �les are also 
displayed. 
To increase available...

123 Storage 
  
 
 
 
 
 
 
 
 
   
 
   
 
 
 
Mount a Memory Card 
When you install an optional memory card, it is 
automatically mounted (connected to the device) 
and prepared for use. However, should you unmount 
the card without removing it from the device, you will 
need to mount it before it can be accessed. 
1.  From a Home screen, tap  Apps > 
Sett
 ings > MORE tab. 
2.	  Tap Stor

age  > Mount SD card. 
Unmount a Memory Card 
To prevent damage to information stored on the 
memory card, always...

124 Date and Time Settings 
  
 
   
Date and Time Settings
 
By default, your device receives 
date and time information from 
the wireless network. 
When you are outside network 
coverage, you may want to 
set date and time information 
manually using the date and time 
settings. 
1.  From a Home screen, tap  Apps > 
Set tings > MORE tab. 
2.	 Tap Dat

e and time. 
3.	  Set the date, time, time zone, time format, and 
date format.  
Settings