Learn what the different codes on your phone are for.
This protects your SIM card against
unauthorized use or is required to access
You can set your phone to ask for the PIN
code when you turn it on.
If you forget the code or it isn't supplied with
your card, contact your network service
If you type in the code incorrectly 3 times in
a row, you need to unblock the code with the
This is required to unblock a PIN code.
If the code is not supplied with your SIM card,
contact your network service provider.
Security code (lock code, password)
(min. 4 digits)
This helps you protect your phone against
You can set your phone to ask for the lock
code that you define.
Keep the code secret and in a safe place,
separate from your phone.
If you forget the code and your phone is
locked, your phone will require service.
Additional charges may apply, and all the
personal data on your phone may be
For more info, contact the nearest care point
for your phone, or your phone dealer.
This is used to identify phones in the
network. You may also need to give the
number to your care point services or phone
To view your IMEI number, dial *#06#.
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