O2 XM - Frequently Asked Questions; Troubleshooting Power and SIM Issues; Network and Call Processing Issues; Mobile Usage and Features

Notes
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Frequently asked questions
Q:
Why does my mobile not turn on when I press the
[on_off.bmp] key?
A:
The key press has been too short
or
the mobile has
or the mobile has or
shut down because the battery power level is too low
to make calls. Recharge the battery
Q:
Stand-by time seems short. Why?
A:
Music Player and display backlight are power
consuming features. Apply the shortest convenient
backlight time and recharge frequently in periods
where you make heavy use of the player
Q:
My mobile displays: ‘PLEASE INSERT SIM’. Why?
A:
You must insert the SIM before you can use the
mobile. If it is already installed, remove and clean the
golden area cautiously with a dry cloth, then reinsert
Q:
My mobile displays: ‘INVALID SIM’. Why?
A:
The mobile is SIM-locked and will not accept the
inserted SIM. Insert the correct SIM or contact your
place of purchase
Q:
My mobile displays: “EMERGENCY CALLS ONLY”.
Why?
A:
Your SIM card is not properly installed, or you are
out of network range
Q:
My mobile displays: “NO NETWORK”. Why?
A:
You are outside network range or there is no clear
view to the transmitter. If you are inside a building,
try moving towards a window
Q:
Some calls are not processed. What is wrong?
A:
A call barring has been set to restrict mobile
usage. Check call barring and cancel as necessary
Q:
Someone else is receiving my calls. What is wrong?
A:
The mobile has been set to forward your calls to
another number. Cancel call forwarding as necessary
Q:
Can I use my mobile for transferring data from a
PC?
A:
Yes. Your XM is  tted with a USB connector
Q:
What is T9?
A:
T9 text input is a predictive text editor that allows
you to type using just one click per letter, thus saving
time when writing SMS, text entries, etc.
Q:
What types of networks support my mobile?
A:
Check the technical speci cations
Q:
What does dual-band, GSM, CDMA and other
telecom argot mean?
A:
See the “Mobile phones in brief” paragraph
Q:
Can I use my mobile inside a car?
A:
Road safety comes  rst. Always keep your eyes on
the road and your mind on the driving. You can install
a “Hands free” set if you need to drive and talk at
the same time. If your car is equipped with
airbags
,
check safety precautions with your car dealer. See also
“Warnings”
(Cover)
Q:
How do I clean my mobile if it becomes soiled?
A:
See the “Mobile care” paragraph
Q:
Are cellular mobiles dangerous to my health?