LG Optimus L90 User's Manual | Page 9

LG Mobile Phones User's Manual - Optimus L90.
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Turn off automatic syncing for Gmail™, Calendar, Contacts, and other 
applications.

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Some applications you have downloaded may cause your battery power to be 
reduced.

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While using downloaded applications, check the battery charged level.

To view the battery charge level
1   
From the Home screen, tap Apps 

 > Settings 

 > General tab About 

phone > Battery.

2   The battery status (charging or discharging) and level are displayed on the 

top menu of the screen.

To monitor and control what uses the battery
1   
From the Home screen, tap Apps 

 > Settings 

 > General tab About 

phone > Battery > Battery use.

2   The bottom of the screen displays battery usage time and also lists applications 

or services using battery power from greatest amount to least.

3. Installing an Open Source Operating System 

Installing an open source operating system on your phone and not using the 
operating system provided by the manufacturer can cause your phone to 
malfunction.

Warning! 

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If you install and use an OS other than the one provided by the manufacturer, your 
phone is no longer covered by the warranty. 

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To protect your phone and personal data, download applications only from trusted 
sources, such as Play Store. If some applications are not properly installed on your 
phone, your phone may not work properly- or serious errors may occur. You will need 
to uninstall those applications and all of its data and settings from the phone.

 

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