Siemens CF75 User Manual page 126

Siemens cell phone user guide
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Problem
SIM error.
No network
connection.
Phone loses
network.
Calls not possible.
Certain uses of
phone not possible.
Impossible to make
entries in Phone-
book/Addressbook.
Voice message not
functioning.
flashes to indi-
ã
cate an SMS.
flashes to indi-
ä
cate an MMS.
flashes to indi-
å
cate an MMS.
Function cannot
be set.
Capacity problems
with, for example,
Games & More, ring-
tones, pictures,
videos, SMS archive.
Possible causes
SIM card not inserted correctly. Check that the SIM card is inserted correctly (p. 9).
Dirty SIM card contacts.
SIM card with wrong voltage.
SIM card damaged
(e.g. broken).
Weak signal.
Outside GSM range.
Invalid SIM card.
New network not authorised.
Network call barring is set.
Network overloaded.
Signal too weak.
Second line set.
New SIM card inserted.
Charge limit reached.
Credit used up.
Call restrictions are in place.
Phonebook/Addressbook is full. Delete entries in Phonebook /Addressbook
Call divert to mailbox not set.
SMS memory is full.
MMS memory full.
Phone memory full.
Not supported by service pro-
vider or registration required.
Phone memory full.
Questions & Answers
Possible solution
Clean SIM card with a dry cloth.
Use 3 V SIM cards only.
Carry out a visual check. Change SIM card at
service provider.
Move higher, to a window or an open space.
Check service provider's coverage area.
Complain to the service provider.
Try manual selection or select a different network
(p. 94).
Check network barrings (p. 93).
Try again later.
Reconnection to another service provider is auto-
matic (p. 94). Switching phone off and on again can
speed this up.
Set first line
(p. 95).
\
Check for new barrings.
Reset limit with PIN2 (p. 38).
Load credit.
Barrings can be set by service provider.
Check barrings (p. 93).
(see Standard functions, p. 14).
Set call divert to mailbox (p. 61).
Delete (see Standard functions, p. 14) or file SMS
(p. 46).
Delete MMS (see Standard functions, p. 14).
Delete messages, pictures, videos, games or
applications.
Contact your service provider.
Delete files in the relevant areas. You can use the
memory assistant to delete specific files (p. 85).
125

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