Siemens M50 manual Questions & Answers, Question Possible causes Possible solution

82Questions & Answers

If you have any questions about using your phone, visit us at www.my-siemens.com/customercareanytime. In addition we have listed some frequently asked questions and answers below.

Question	Possible causes	Possible solution
Phone cannot	On/Off key not pressed long	S Press On/Off key for at least two seconds.
be switched on. enough.
	Flat battery.	Charge battery. Check charging indicator in the display.
	Battery contacts dirty.	Clean contacts.
	See also below under: "Charging
	error"
Standby time is	Frequent use of the organiser and	Restrict use if necessary.
too short.	games.
	Speed search active.	Deactivate speed search (p. 62).
	Display illumination on.	Switch off display illumination (p. 61).
	Unintentional keystrokes (illumi-	Activate key lock (p. 61).
	nation!).
	Memory effect (only NiMH battery). Run battery care function (p. 62).
Charging error	Battery totally discharged.	1) Plug in charger cable.
(charge icon		2)Wait up to 2 hours until the charge icon is displayed.
not displayed).		3) Charge battery as usual.
	Temperature out of range:	Make sure the ambient temperature is right, wait a
	5 °C to 40 °C.	while, then recharge.
	Contact problem.	Check power supply and connection to the phone.
		Check battery contacts and device interface, 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 correctly inserted.	Make sure that the SIM card is correctly inserted
		(p. 7).
	SIM card contacts dirty.	Clean the SIM card with a dry cloth.
	SIM card with wrong voltage.	Use 3 V SIM cards only.
	SIM card damaged (e.g. broken). Inspect the damage. Return the SIM card to service
		provider.