LG -V521 User Manual page 8

3. Before installing an open source application and OS
WARNING
If you install and use an OS other than the one provided by the manufacturer it
may cause your device to malfunction. In addition, your device will no longer be
covered by the warranty.
To protect your device and personal data, only download applications from
trusted sources, such as Play Store™. If there are improperly installed
applications on your device, the device may not work normally or a serious error
may occur. You must uninstall those applications and all associated data and
settings from the device.
4. Using the Hard Reset (Factory Reset)
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6 Volume Keys
Important Notice
Power/Lock Key + Volume Down Key
Power/Lock Key
Power/Lock Key
Yes Power/Lock Key
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