Acer liquid User Guide

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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 
picture files?
You may be trying to view an image that is 
not supported. Refer to “Multimedia” on 
page 46 for mor
e information.
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 46 for mor
e information.
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 46 for mor
e information.
System information 
and performance
How do I check the OS 
version of my device?
Tap Menu > Settings > About phone to 
check the OS version (Kernel/build number) 
and other hardware and software 
information.
Power
I couldn’t turn on the 
device.
The battery power may be depleted. 
Recharge the device. Refer to “Charging the 
battery” on page 8 f
or more information.
Heat
The phone heats up 
when charging or 
making long duration 
calls.
It is normal for the phone to heat up when 
charging. When charging is complete, it will 
return to its normal temperature.
It is also normal for the phone to heat up 
during long periods of use, such as watching 
a video or a long phone conversation.
All Acer phones are factory tested before 
release.