Power Management 
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Power Management
Viewing battery usage statistics
Use Phone Manager to view detailed per-application battery usage statistics.
Open 
Phone Manager
 and then touch 
Battery manager
. You can:
• 
Touch 
Optimize
. Your phone will check for power consumption problems and 
automatically optimize performance.
• 
Touch 
Power usage details
 to view detailed battery usage statistics. 
• 
Touch 
Consumption level
 to see what is using the most power. 
• 
Turn on the 
Remaining battery percentage 
 switch to display the remaining battery 
percentage in the status bar.
Reducing power consumption
Use Phone Manager to optimize performance and reduce power consumption.
Open 
Phone Manager
 and then touch 
Battery manager
. You can:
• 
Optimize performance
: Touch 
Optimize
. Your phone will check for power 
consumption problems and automatically optimize performance. To further reduce 
power consumption, see 
Optimizable issues
. Select 
View
 or 
Optimize
 to adjust the 
power settings manually.
• 
Restrict applications
: Touch 
Protected apps
 and turn off the switch next to the 
applications that you do not want to run in the background when the screen is locked.
• 
Close power-intensive applications
: Touch 
Power usage firewall (power-intensive 
apps)
, select the desired applications, and then touch  to close them.
 
A message will appear in the notification panel if power-intensive applications are 
running in the background. If you don't want to receive such notifications, touch 
and then turn off the 
Power-intensive prompt
 switch.