Operation Manual

User Manual
iris atom
28
provided by your network provider.
Poor quality
of calling
Please check if the sound volume is tuned
improperly
In an area with poor receiving condition,
example: basement, the signal might be
weak. Try reaching a location with stronger
signal reception and call again.
Whileusingthemobilephoneinthepeak
period of communication, like commute
time, you may be unable to call because of
line congestion.
Standby
duration
shortened
The standby duration is relati ve to the
system sett ing of network. While the mobile
phone is in an area with poor signa l 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 b atter y.
SIM Card
Error
Dirt on the metal surface of an SIM card. Use
clean cloth to wi pe the metal touch point on
an SIM card.
The SIM card is not installed.
The SIM card is damaged. Please contact
your ne two r k se r vi ce provider.
Unable to
dial call
Please confirm if you have pressed the dial
key after dialing.
Please confirm if calling is forbidden because
of default settings.
Please confirm if the SIM is valid.
Please confirm if the call barring is set.
Please confirm if the fixed dial function is
set.
Callers
unable to
Please confirm if the mobile phone is on and
connectedwiththenetwork.