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Checking the battery charge level
1. From the Home screen, tap the Applications Key
Settings
> About phone > Status.
2. The battery status (Charging, Not charging) and level (percentage
charged) is displayed at the top of the screen.
Monitoring and controlling what uses the battery
1. From the Home screen, tap the Applications Key
Settings
> About phone > Battery use.
2. Battery usage time is displayed at the top of screen and lists applications
or services using battery power, from greatest amount to least.
3. Installing an open source operating system
If you install and use an open source operating system (OS) on your phone
rather than using the OS provided by the manufacturer, your phone may
malfunction.
WARNING
If you install and use an OS other than the one provided by the manufacturer, your
phone is no longer covered by the warranty.
To protect your phone and personal data, only download applications from trusted
sources, such as Play Store. If there are improperly installed applications on your
phone, your phone may not work normally or a serious error may occur. You must
uninstall those applications and all their data and settings from the phone.
4. Using an unlock pattern
Set an unlock pattern to secure your phone. This prevents unauthorized
access to your phone.
CAUTION
It is recommended that you create or sign into a Google account before setting an
unlock pattern so that you can unlock your device in case you forget the pattern.
WARNING
Precautions to take when using a pattern lock.
It is very important to remember the unlock pattern you set. You will not be able to
access your phone if you use an incorrect pattern 5 times. You have 5 opportunities
to enter your unlock pattern, PIN or password. If you have used all 5 opportunities,
you can try again after 30 seconds.
When you can't recall your unlock Pattern, PIN, or Password:
If you have forgotten pattern: If you logged in to your Google
Important notice
, then select
, then select
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