Sony Ericsson R300a Cell Phone User Manual


 
33
Locks
SIM card lock
The SIM card lock protects your subscription, but not your
phone itself, from unauthorized use. If you change SIM cards,
the phone still works with the new SIM card. Most SIM cards
are locked at the time of purchase. If the SIM card lock is on,
you have to enter a PIN (Personal Identity Number) every time
you turn on your phone. If you enter your PIN incorrectly three
times in a row, the SIM card is blocked. This is indicated by the
message PIN blocked. To unblock, enter your PUK code
provided by your network operator. To unblock it, enter your
PUK (Personal Unblocking Key). Your PIN and PUK are supplied
by your network operator.
To unblock your SIM card
1 When PIN blocked. To unblock, enter your PUK code
provided by your network operator. is displayed, enter
your PUK and select OK.
2 Enter a new PIN and select OK.
3 Re-enter the new PIN to confirm and select OK.
To turn the SIM card lock on
1 From standby select Menu > Settings > the General tab
> Security > SIM lock > Protection > On.
2 Enter your PIN and select OK.
If the message Wrong PIN Attempts remaining: appears
when you edit your PIN, you entered the PIN or PIN2
incorrectly.