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If you have any questions about using your phone, visit us at
www.my-siemens.com/customercare anytime. As further help we have listed below some
frequently asked questions and answers.
Problem
Possible causes
Phone cannot
On/Off key not pressed long
be switched on.
enough.
Flat battery.
Battery contacts dirty.
See also below under "Charging
error".
Standby time is
Frequent use of organiser and
too short.
games.
Display illumination on.
Unintentional keystrokes
(illumination!).
Charging error
Battery totally discharged.
(charge icon
not displayed).
Temperature out of range:
+5 °C to +40 °C.
Contact problem.
No mains voltage.
Wrong charger.
Battery faulty.
SIM error.
SIM card not correctly inserted.
Dirty SIM card contacts.
SIM card with wrong voltage.
SIM card damaged (e.g. broken). Carry out a visual check. Ask service provider to
Questions & Answers
Possible solution
Press On/Off key for at least 2 seconds.
Charge battery. Check charging indicator in the
display.
Clean contacts.
Restrict use if necessary.
Switch off display illumination (p. 51).
Activate key lock (p. 52).
1) Plug in power supply unit, battery is on charge.
2) Charge icon appears after approx. 2 hours.
3) Continue to charge battery.
Make sure the ambient temperature is right, wait for
a while, then recharge.
Check power supply and connection to the phone.
Check battery contacts and connection socket, clean
them if necessary, then insert battery again.
Use different mains power socket, check mains
voltage.
Only use original Siemens accessories.
Replace battery.
Check that the SIM card is inserted correctly (p. 8).
Clean SIM card with a dry cloth.
Use 3V SIM cards only.
change SIM card.
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