Siemens C70, CT70 Questions & Answers

Questions & Answers 119

Questions & Answers

If you have any questions on the use of your phone, you can contact us at www.siemens.com/mobilephonescustomercare around the clock. As further help we have listed below some frequently asked questions and answers.

Problem Possible causes Possible solution

Phone cannot be	On/Off key not pressed long
switched on.	enough.
	Flat battery.

Press On/Off key for at least 2 seconds.

Charge battery. Check charging indicator in the display.

	Battery contacts dirty.	Clean contacts.
	See also below under
	"Charging error".
Too little standby	Frequent use of applications such	Restrict use if applicable.
time.	as organiser, games, camera.
	Fast search activated.	Deactivate fast search(p. 90).
	Display illumination switched on.	Switch off display illumination (p. 77).
	Unintentional keystrokes	Activate key lock (p. 87).
	(illumination!).
Charging error	Battery totally discharged.	1) Plug in charger cable, battery is on charge.
(charge icon not		2) Charge icon appears after approx. 2 hours.
displayed).		3) Charge battery.
	Temperature out of range:	Make sure the ambient temperature is right, wait for
	+5 °C to +40 °C.	a while, then recharge.
	Contact problem	Check power supply and connection to the phone.
		Check battery contacts and telephone connection
		socket, clean them if necessary, then insert battery
		again.
	No mains voltage.	Use different mains power socket; check mains
		voltage.
	Wrong charger.	Only use original Siemens accessories.
	Battery faulty.	Replace battery.
SIM error.	SIM card not inserted correctly.	Check that the SIM card is inserted correctly (p. 9).
	Dirty SIM card contacts.	Clean SIM card with a dry cloth.
	SIM card with wrong voltage.	Use 3V SIM cards only.
	SIM card damaged	Carry out a visual check. Ask service provider to
	(e.g., broken).	change SIM card.