installed.
SIM card metal surface have
dirt
Use clean cloth to brush the
SIM card metal contact point
unable
to
connect
the
network
SIM card is invalid
Contact your network service
supplier.
Beyond the GSM or 3G
network service area.
Ask your network service
supplier the service area.
The signal is weak
Please move to the strong
signal place to retry
Calls unable to
call
set up the call barring function
cancel
the
call
barring
function
set up the fixed dial function
cancel the fixed dial function.
PIN error
input incorrect PIN Code in
three times
contact your network service
supplier.
Unable
to
charge
Battery or charger damaged
need to replace new battery or
charger
Charge in lower than -10
℃
or
higher than 55
℃
environment
change
the
charging
environment
Bad contact
check whether the plug
connection well
Unable to add
phonebook
record
Phonebook memory is full
delete
some
part
of
phonebook record.
unable to set up
some function
Network provider does not
support this feature, or you
did not apply for this function
contact
your
network
provider.
Trademarks
Google, Android, Google Play and other marks are trademarks of Google LLC
.
Bluetooth® is a registered trademark of Bluetooth SIG, Inc. worldwide. • Wi-Fi®,
Wi-Fi Protected Setup™, Wi-Fi Direct™, Wi-Fi CERTIFIED™, and the Wi-Fi logo
are registered trademarks of the Wi-Fi Alliance