9
Common problems
Check item
Insert the SIM card but cannot read
the information in the SIM card
Please check if properly inserted the SIM card;
Please check if your SIM card is valid.
The mobile phone displays “Input
PUK Code”
Please communicate with the service provider to
get the PUK code and use it to unlock.
Can not make phone call
Please check if the phone number is valid.
Please check if you are in service area.
Weak talk quality
Please check if the phone signal is strong
enough;
If you are in the building, please move the phone
or move near the window.
The contact can not get your voice
when making phone call
Please check if your microphone has blocked by
fittings or other blocks.
Receiver sound is too low
Please check if your receiver volume has been
adjusted to the maximum.
The mobile phone has a weak
receive signal or usually drop in the
phone call
Please check if the phone has a strong signal.
If no signal, please use it in a strong signal place.
