User's Manual

Common problems
Check item
Can not charge
Please check if the charger is properly
connected to the tablet PC and the power
source jack.
Can not power on
Please check if the battery level is too low;
Please check if the batter is properly loaded;
Please press Power Key enough time.
Insert the U-SIM card
but can not read the
information in the U-SIM
card
Please check if properly inserted the U-SIM
card;
Please check if your U-SIM card is valid.
The Tablet 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 number is valid.
Please check if you are in service area.
Weak talk quality
Please check if the tablet PC signal is strong
enough;
If you are in the building, please move the
Tablet or move near the window.
Receiver sound is too
low
Please check if your receiver volume has been
adjusted to the minimal.
The tablet PC has a
weak receive signal or
usually drop in the
phone call
Please check if the tablet PC has a strong
signal.
If no signal, please use it in a strong signal
place.
The screen display the
information such as “No
Service” or:
Searching…
Please check if you are in a weak signal area
(in the channel or surround by buildings),
change the area and retry.
Please check if you can try to get the services
without the service provider permission. If
needed the service, please contact the service
provider for more information.