69
Troubleshooting
Codes that you have entered do not
match. When you want to change a
security code, for example your PIN,
you have to confirm the new code.
See
on page 64.
Your phone is in flight mode. See
on page 58.
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.
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
PUK blocked. Contact operator.
You entered your personal unblocking
key code (PUK) incorrectly 10 times in
a row.
The battery that you are using is not
a Sony Ericsson-approved battery. See
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