Motorola 280 - Manual (Page 169)

167
Security
you turn on the phone or insert a SIM card. Your SIM card PIN
code is given to you by your service provider.
Unblock the SIM Card PIN Code
If you enter an incorrect SIM card PIN code three times in a row,
your SIM card is disabled and your phone displays the message
SIM Blocked . You need to enter a PIN unblocking key (PUK)
code, which you can obtain from your service provider. After
entering the PUK code, you will be prompted to create a new
SIM card PIN code.
Caution: If the unblocking attempt is tried unsuccessfully 10
times, the SIM card is permanently disabled and your phone
displays the message
SIM Disabled .
Find the Feature M > Settings > Security
> SIM PIN
Press To
1
S
scroll to On or Off
2 SELECT ( + ) switch protection on or off
3 keypad keys enter your SIM card PIN code
4 OK ( + ) submit your code
Press To
1 * * 0 5 * open the PIN unblocking
editor
Your phone prompts you to
enter the
PIN1 Unblock
Sequence: