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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
Audio
Multimedia files
System information
and performance
Power
Storage
Heat
FAQ and troubleshooting
Question
Why is there no sound
coming from the
device?
Why can't I view my
picture files?
Why can't I view my
video files?
Why can't I play my
music files?
How do I check the OS
version of my device?
I couldn't turn on the
device.
How do I check the
RAM and ROM memory
status?
The phone heats up
when charging or
making long duration
calls.
Answer
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.
You may be trying to view an image that is not
supported. Refer to "Supported formats" on
page 31 for more information.
You may be trying to view a video that is not
supported. Refer to "Multimedia" on page 44
for more information.
You may be trying to play a file that is not
supported. Refer to "Multimedia" on page 44
for more information.
Tap Settings > about > more info to view the
OS version and other hardware and software
information.
You may also tap Settings > device
information.
The battery power may be depleted. Recharge
the device. Refer to "Charging the battery"
on page 10 for more information.
To check storage status, go to Settings >
about.
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.
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