Should you have any questions on using the phone, we are available 24 hours a day at
www.my-siemens.com/customercare. See below for solutions to some of our frequently
On/Off key not pressed long
be switched on.
Battery contacts dirty.
See also below under: "charging
Frequent use of the organiser and
Speed search active.
Display illumination on.
Battery totally discharged.
(charge icon not
Temperature out of range:
5 °C to 40 °C.
No mains voltage.
SIM card not correctly inserted.
SIM card contacts dirty.
SIM card with wrong voltage.
SIM card damaged (e.g. broken). Inspect the damage. Return the SIM card to service
Questions & Answers
Press On/Off key for at least two seconds.
Charge battery. Check charging indicator in the display.
Restrict use if necessary.
Deactivate speed search (p. 64).
Switch off display illumination (p. 63).
1) Plug in charger cable.
2) Wait up to 2 hours until the charge icon is displayed.
3) Charge battery as usual.
Make sure the ambient temperature is right, wait a
while, then recharge.
Check power supply and connection to the phone.
Check battery contacts and device interface, clean
them if necessary, then insert battery again.
Plug in to a different socket or check voltage.
Only use original Siemens accessories.
Make sure that the SIM card is correctly inserted (p. 6).
Clean the SIM card with a dry cloth.
Use 3 V SIM cards only.