User guide

71FAQ, troubleshooting and error messages
Appendix
FAQ, troubleshooting and error
messages
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. Tap thecommunication
icons at the top of the screen.
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 73 for more
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 73 for more 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 73 for more information.
System
information
and
performance
How do I check
the OS version of
my device?
Tap > Settings > System > System
Information to check the OS version and
other hardware and software
information.