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Spark Curvy
20
Display
information
while
turning on
Check if the SIM card is installed correctly Handset lock
password: If the handset lock is activated, you have to input
handset password. Input PIN: if Inputting PIN while
turning the phone on each time is activated, you have to
input the PIN code. Input PUK code: When you’ve input
wrong PIN code for 3 times will lock the SIM card. You
need to input the PUK code provided by your network
provider.
Poor
quality of
calling
Please check if the sound volume is tuned properly In an
area with poor network conditions, example: basement, the
signal might be weak. Try searching a location with
stronger signal reception and call again. While using the
mobile phone in the peak period of communication, like
commute time, you may not be able to call because of line
congestion.
Standby
duration
shortened
The standby duration is relative to the network systems.
While the mobile phone is in an area with poor signal
strength and cannot receive the signal, the handset will
continuously search for a base station. This will
significantly reduce battery charge. It is recommended that
you turn off your mobile in area with no signal reception to
save battery. Need replacing the battery: Please change to a
new battery as battery performance may decrease after
prolonged usage.
SIM Card
Error
Dirt on the metal surface of an SIM card: Use clean cloth to
wipe the metal touch point on an SIM card. The SIM card
is not installed. The SIM card is damaged. Please contact
your network service provider.
Fail to dial
out
Please check if you press the dial key after typing the
number. Please check if calling is forbidden because of
default settings. Please check if the SIM is valid. Please
check if the call barring is set. Please check if the fixed dial
function is set.
Callers
cannot
contact you
Please check if the mobile phone is on and connected with
the network. Please check if the Call barring or call divert
is activated. Please check if the SIM card is valid.