User's Manual

User Manual
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55
Phenomena Analysis Solution
You are unable to
hear anyone because
of too much noise and
hiss.
The device may be at an
unfavorable position. For example,
the signal may be blocked by tall
buildings or frustrated in the
underground areas.
Move to an open and flat area, and try again.
The device may suffer from
external disturbance (such as
electromagnetic interference).
Stay away from equipment that may cause
interference.
The camera does not
work.
The device may not detect the
front or rear camera.
Restart the device.
The storage space may be
insufficient.
Free up the storage space.
The device fails to
detect the SIM card or
SD card.
The SIM card or SD card may be
installed improperly.
Remove and reattach the SIM card or SD card.
The SIM card or SD card may
suffer from poor contact caused by
dirtied or damaged metal contacts.
Clean the metal contacts of the SIM card or SD
card.
The GPS cannot
locate your position.
The device may be at an
unfavorable position. For example,
the signal may be blocked by tall
buildings or frustrated in the
underground areas.
Move to an open and flat area, and try again.
The battery fails to be
charged.
The data cable may be connected
improperly.
Remove and reinsert the data cable.
The power adapter plug may be
inserted into the socket
improperly.
Remove and reinsert the plug.
If the above solutions cannot fix your problems, or you may have some other queries, please contact your local dealer
for more technical support.