Verykool s6001 - Manual (Page 64)

64
shortened 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 a new
battery.
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 touch the dial key after dialing.
Please check if calling is forbidden because of
defaulting.
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.
Fail to charge
Poor contact. Please check if the plug is connected well.
Please confirm if the environment temperature is within
the range of 0ºC ~40ºC while charging.
The battery or charger is damaged. You need to replace
it.
Fail to set Wrong operation.