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62 Troubleshooting
Where can I find the regulatory
information such as my IMEI number
if I cannot turn on my phone?
1 Remove the battery cover and the
battery.
2 The IMEI number is located on the
label.
Error messages
Insert SIM
There is no SIM card in your phone or
you may have inserted it incorrectly.
See To insert the SIM card on page 5.
The SIM card connectors need
cleaning. If the card is damaged,
contact AT&T.
Insert correct SIM card
Your phone is set to work only with
certain SIM cards. Check if you are
using the correct operator SIM card.
Wrong PIN/Wrong PIN2
You have entered your PIN or PIN2
incorrectly.
Enter the correct PIN or PIN2 and
select Yes. See PIN on page 7.
PIN blocked/PIN2 blocked
You have entered your PIN or PIN2
code incorrectly three times in a row.
To unblock, see SIM card lock on
page 57.
Codes do not match
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 SIM card lock on page 57.
No net. coverage
Your phone is in flight mode. See
Flight mode on page 51.
Your phone is not receiving any
network signal, or the received signal
is too weak. Contact AT&T 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