Siemens M75 User Manual page 127

126 Questions & Answers
Problem
No network
connection.
Phone loses network. Signal too weak.
Calls not possible.
Some calls not possi-
ble.
Impossible to make
entries in Phonebook/
Addressbook.
Voice message not
functioning.
flashes to indicate
ã
an SMS.
flashes to indicate
ä
an MMS.
flashes to indicate
å
an MMS.
Function cannot be
set.
Capacity problems
with, for example,
Games & More, ring-
tones, pictures, vide-
os, SMS archive.
No Internet access;
downloading not
possible.
Possible causes
Weak signal.
Outside GSM range.
Invalid SIM card.
New network not authorised.
Network call barring is set.
Network overloaded.
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 the Addressbook/Phonebook
Call divert to mailbox not set.
SMS memory full.
MMS memory full.
Phone memory full.
Not supported by service provid-
er or registration required.
Phone memory full.
Profile not activated, profile
settings wrong/incomplete.
Possible solution
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 (page 95).
Check network barrings (page 94).
Try again later.
Reconnection to another service provider is
automatic (page 95). Switching phone off and
on again can speed this up.
Set first line (page 96).
\
Check for new barrings.
Reset limit with PIN2 (page 39).
Load credit.
Barrings can be set by service provider.
Check barrings (page 94).
(see standard functions, page 15).
Set call divert to mailbox (page 61).
Delete SMS messages (see standard functions,
page 15) or archive them (page 46).
Delete MMS messages (see standard functions,
page 15).
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
(page 84).
Activate or set browser profile (page 71).
If necessary ask your service provider.