Troubleshooting
The following answers to frequently asked
questions can help you efficiently use warranty
service. Before you ask for maintenance, please
conduct a simple inspection to save your time
and cost.
PIN code is required
Enter effective PIN code supplied with your SIM
card. Please contact your network service
provider immediately if you do not know.
PUK code is required
If the PIN code is entered incorrectly for three
times, your SIM card would be blocked; the PUK
code would be required to unblock it. Please
contact your network service provider
immediately.
SIM card is required
Ensure that your SIM card is properly installed,
and check if SIM card works normally. If it is
damaged or malfunctioning, please bring it to
your network service provider for solution.
You device displays out of service
Check the signal strength indicator.
If there is no network signal, you may be
in a basement or a blind area of a building;
move to another area and try again.
There is also a chance that your location is
not covered by the network; if so, you may
inquire your network service provider to
supply network service to the area.
Poor audio quality
If your call is disturbed by echo or noise,
please end the call and redial. The network
service provider may transfer you to a
better line.
No sound for incoming call
If neither does the keypad have sound
,
please check whether the volume
is zero. If not, please check ring type and
volume setting.
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