Siemens ST55 - Инструкция по эксплуатации - Страница 73

Questions & Answers

72

Problem

Possible causes

Possible solution

No network 
connection.

Weak signal.

Move to another place where the network reception is 
better (e.g., window) or go outdoors.

Outside GSM range.

Check service provider's coverage area.

Invalid SIM card.

Contact the service provider.

New network not authorised. Try manual selection or select a different network 

(p. 54).

Network call barring is set.

Check network barrings (p. 59).

Network overloaded.

Try again later.

Weak signal and the camera 
is switched on.

Switch the camera off and if necessary move to 
another place.

Phone loses 
network.

Signal too weak.

Reconnection to another service provider is automatic 
(p. 55). Switching the phone off and on again can 
speed this up.

Calls not possible.

Second line set.

Set first line (p. 54).

New SIM card inserted.

Check for new barrings.

Charge limit reached.

Reset limit with PIN 2 (p. 28).

Credit used up.

Load credit.

Certain uses of the 
phone not possible.

Call restrictions are in place. Barrings can be set by service provider. Check 

barrings (p. 59).

Impossible to make 
entries in contacts.

Contacts memory is full.

Delete entries (p. 24).

Voice message not 
functioning.

Call divert to mailbox not set. Set call divert to mailbox (p. 57).

SMS (text 
message) flashing.

SMS memory is full.

To free up capacity, delete (p. 39) or file (p. 39) text 
messages (SMS).

Function cannot be 
set.

Not supported by service 
provider or registration 
required.

Contact your service provider.

Capacity problems 
with, for example, 
ringtones, pictures, 
SMS archive.

Memory full.

Delete files in the relevant areas.

No WAP access, 
downloading not 
possible.

Profile not activated, profile 
settings wrong/incomplete.

Activate and set WAP profile (p. 33). If necessary ask 
your service provider.