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22. Common problems and solutions
If you encountered problems while operating your device, the following troubleshooting tips may help
resolve the issue. If the problem persists, please contact your dealer or service operator.
Common
problems
Fails to connect
to network
using Internet
Explorer
SIM card error
Poor signals
Fail to power on Using an excessively low battery.
Fail to make a
call
Fail to connect
to network
Fail to charge
Reasons
Network service operator does not
provide such service, or you have
not subscribed to the service.
Incorrect configuration of Internet
Explorer
SIM card is warped or damaged.
SIM card is not properly installed.
Metal surface of SIM card is
unclean.
Using your phone in places that
may result in a poor signal of your
phone, like surroundings of high
buildings, or in a basement where
radio waves become unreachable.
Using phone during the period of
busy communication, which may
results in a channel jam and
inability of communicating.
Call barring service enabled.
SIM card invalid
Out of GSM service area
Poor signals
The battery voltage in use is not in
the range specified by charger.
Using a non-standard charger
Improperly connected to the main
power.
Solutions
Consult network operator for
information about how to subscribe a
service.
Refer to Section. Getting
connected.
Consult your network operator.
Check SIM card. Change to a new
one if necessary.
Clean the metal surface with a clean
cloth or tissue.
Receive calls in places where a good
signal is available.
Avoid being within such a situation or
similar.
Charge it, or replace it with a new
one.
Disable it in
Settings > Phone
Consult your network operator
Relocate your phone into service
area of network operator.
Relocate your phone to places with
strong signals, then try again.
Use batteries with proper voltage
range.
Use a charger designed for this type
of phone.
Check the connection in between.
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