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Acer Liquid Gallant Duo E350 Manual

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Appendix
FAQ and troubleshooting
This section lists frequently asked questions that may arise during the use of your
smartphone, and gives easy answers and solutions to these questions.
Aspect Question Answer
Audio Why is there no sound
coming from the
device?
If the headset is plugged into the device, the
speaker is automatically shut off. Disconnect
the headset.
Check that the device volume setting is not
muted.
Check that the volume control is not at its
lowest setting.
Multimedia files Why can’t I view my
video files?
You may be trying to view a video that is not
supported. Refer to “Multimedia” on
page 49.
Why can’t I play my
music files?
You may be trying to play a file that is not
supported. Refer to “Multimedia” on
page 49.
System information
and performance
How do I check the OS
version of my device?
Tap Settings > About phone to check the OS
version (Build number) and other hardware
and software information.
Power I can’t turn on the
device.
The battery power may be depleted. Recharge
the device. Refer to “Charging the battery”
on page 7 for more information.
RAM / ROM How do I check the
RAM and ROM memory
status?
To check the ROM status, tap Settings >
Storage.
To check RAM status, tap Settings > Apps >
RUNNING.
Internal storage My device’s available
internal storage is full or
almost full.
Uninstall applications to increase available
storage. See “Uninstalling an application”
on page 38.
Unlock pattern I forgot my unlock
pattern.
After a certain number of wrong entries, you
will be presented with an option to reset your
pattern. Tap Forgot pattern? and enter your
google account username and password.
Note: You must have an active Google
account on the smartphone.
Alternatively, you restore your smartphone to
factory settings. See "Restoring to factory
settings" on page 38.
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