Samsung Galaxy Tab 2 10.1 用户手册

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Application Options 
These options allow you to manage applications that are running in the background. 
1.   Press 
and tap 
Developer options and tap the ON/OFF slider to the 
ON position. 
2.  Tap Do not keep activities to destroy every activity as soon as the application is closed. 
3.   Tap Limit background processes to set the number of processes that can run in the 
background. Options are: Standard limit, No background processes, and 1 to 4 
processes at most. 
4.   Tap Show all ANRs to display a prompt when applications running in the background 
are not responding. 
Device Activation Settings 
Depending on your account or how and where you purchased your device, it may be ready to 
use or you may need to activate it on your Sprint account. 
►  Press 
and tap 
Activate this device. For more information, see 
System Update Settings 
The system checks for updates to the Preferred Roaming List (PRL), Profile, Samsung 
software, or Firmware for this device and updates them. 
Update PRL 
This option allows you to download and update the preferred roaming list (PRL) automatically. 
1.   Press 
and tap 
System Update Update PRL
2.   Follow the onscreen instructions. 
Settings  
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