Sony Ericsson C903 User Guide - Page 67

You are within range of a network, but, you are not allowed to use it. However - problems

Page 67 highlights

security code, for example your PIN, you have to confirm the new code. See SIM card lock on page 61. No netw. coverage Your phone is in flight mode. See Flight mode on page 56. Your phone is not receiving any network signal, or the received signal is too weak. Contact your network operator and make sure that the network has coverage where you are. The SIM card is not working properly. Insert your SIM card in another phone. If this works, it is probably your phone that is causing the problem. Please contact the nearest Sony Ericsson service location. Emerg. calls only You are within range of a network, but you are not allowed to use it. However, in an emergency, some network operators allow you to call the international emergency number 112. See Emergency calls on page 17. PUK blocked. Contact operator. You entered your personal unblocking key code (PUK) incorrectly 10 times in a row. Troubleshooting 67 This is an Internet version of this publication. © Print only for private use.

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security code, for example your PIN,
you have to confirm the new code. See
SIM card lock
on page 61.
No netw. coverage
Your phone is in flight mode. See
Flight
mode
on page 56.
Your phone is not receiving any
network signal, or the received signal is
too weak. Contact your network
operator and make sure that the
network has coverage where you are.
The SIM card is not working properly.
Insert your SIM card in another phone.
If this works, it is probably your phone
that is causing the problem. Please
contact the nearest Sony Ericsson
service location.
Emerg. calls only
You are within range of a network, but
you are not allowed to use it. However,
in an emergency, some network
operators allow you to call the
international emergency number 112.
See
Emergency calls
on page 17.
PUK blocked. Contact operator.
You entered your personal unblocking
key code (PUK) incorrectly 10 times in
a row.
Troubleshooting
67
This is an Internet version of this publication. © Print only for private use.