KAAN A1, User Manual, Page: 65 / 75

63
63
is set.
Contact might be poor. Please check if the plug is
Unable to
connected well.
charge the
Please make sure that the room temperature is
device
within the range of 0ºC ~40ºC while charging.
The battery or charger may be damaged. In that
case, you will need to replace it.
Unable to
Wrong operation.
It might not be a function that your network provider
Callers
unable to
contact you
Please make sure that the mobile phone is on and
connected with the network.
Please check if calling is forbidden because of
default settings.
Please make sure that the SIM card is valid.
Please check whether a ban/limit on receiving calls
set some
functions
supports, or you may have to apply for the
activation of its use.
Mobile phone model and serial number
Specific content of warranty
Clear statement of problems
Then contact your local dealer in your area.
Note: If the instructions above can not help you solve the problems,
please record
：