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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 can
not 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
May be due to 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 in which case you need to replace it.
Summary of Contents for kkt10
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