Siemens S75 Manual page 123

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Problem
SIM error.
No network
connection.
Phone loses
network.
Calls not possible. Second line set.
Some calls not
possible.
Impossible to make
entries in Phone-
book/Addressbook.
Voice message not
functioning.
flashes to
å
indicate an SMS.
flashes to
æ
indicate an MMS.
flashes to
ç
indicate an MMS.
Function cannot
be set.
Poss. causes
SIM card not inserted
correctly.
Dirty SIM card contacts.
SIM card with wrong
voltage.
SIM card damaged
(e.g. broken).
Weak signal.
Outside the GSM range.
Invalid SIM card.
New network not authorised. Try manual selection or select a different network
Network call barring is set.
Network overloaded.
Signal too weak.
New SIM card inserted.
Charge limit reached.
Credit used up.
Call restrictions are in place. Barrings can be set by service provider. Check barrings
Phonebook/Addressbook
is full.
Call divert to mailbox not set. Set call divert to mailbox (page 66).
SMS memory is full.
MMS memory is full.
Phone memory full.
Not supported by service
provider or registration
required.
Questions & Answers
Possible solution
Check that the SIM card is inserted correctly (page 16).
Clean SIM card with a dry cloth.
Use 3V SIM cards only.
Carry out a visual check. Have service provider change
the SIM card.
Move higher, to a window or an open space.
Check service provider's coverage area.
Complain to the service provider.
(page 93).
Check network barrings (page 92).
Try again later.
Reconnection to another service provider is automatic
(page 93). Switching phone off and on again can speed
this up.
Set line 1 (page 94).
ã
Check for new barrings.
Reset limit with PIN2 (page 43).
Load credit.
(page 92).
Delete entries in the Addressbook/Phonebook
(see Standard functions, page 24).
Delete SMS messages (see Standard functions,
page 24) or archive them (page 52).
Delete MMS messages (see standard functions,
page 24).
Delete messages, pictures, videos, games or
applications.
Contact your service provider.
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