Siemens M50 manual Question Causes available Possible solution

	Questions & Answers		83
Question	Causes available	Possible solution
No connection to	Signal weak.	Move higher, to a window or open space.
network.
	Outside GSM range.	Check service provider coverage map.
	SIM card not valid.	Reclaim at the service provider.
	New network not authorised.	Try manual selection or select a different network
		(p. 64).
	Network barring is set.	Check barrings (p. 65).
	Network overloaded.	Try again later.
Phone loses	Signal too weak.	Reconnection to another service provider is automatic
network.		(p. 64). Switching the phone off and on may speed this
		up.
Calls not possible.	2nd line set.	Set line 1 =(p. 64).
	New SIM card inserted.	Check for new restrictions.
	Charge limit reached.	Reset limit with PIN 2 (p. 43).
	Credit used up.	Load credit.
Certain uses of the	Call restrictions are set.	Barrings may be set by your service provider. Check
phone not possible.		barrings (p. 65).
No entries possible	Phonebook is full.	Delete entries in Phonebook (p. 20).
in Phonebook.
Voice mail does not	Call divert to the mailbox not	Set call divert to the mailbox (p. 41).
work	set.
SMS (text mes-	SMS memory full.	Delete (p. 25) or store messages (SMS) in the archive
sage) ¨ flashes.		(p. 25) to make room.
Function cannot be	Not supported by service	Contact your service provider.
set.	provider or registration re-
	quired.
Memory problems	Phone memory full.	Delete files where necessary.
with Games & More,
ring tones, pictures,
SMS archive.