Sony Ericsson C903 User Guide - Page 62
PIN blocked, Settings, General, Security, Locks, SIM protection, Change PIN, Phone protection - unlocked
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have to enter a PIN (Personal Identity Number). If you enter your PIN incorrectly three times in a row, the SIM card is blocked and you need to enter your PUK (Personal Unblocking Key). Your PIN and PUK are supplied by your network operator. To unblock the SIM card 1 When PIN blocked appears, enter your PUK and select OK. 2 Enter a new four-to-eight-digit PIN and select OK. 3 Re-enter the new PIN and select OK. To edit the PIN 1 Select Menu > Settings > General > Security > Locks > SIM protection > Change PIN. 2 Enter your PIN and select OK. 3 Enter a new four-to-eight-digit PIN and select OK. 4 Re-enter the new PIN and select OK. If Codes do not match appears, you entered the new PIN incorrectly. If Wrong PIN appears, followed by Old PIN:, you entered your old PIN incorrectly. To use the SIM card lock 1 Select Menu > Settings > General > Security > Locks > SIM protection > Protection. 2 Select an option. 3 Enter your PIN and select OK. Phone lock You can stop unauthorised use of your phone. Change the phone lock code (0000) to any four-to-eight-digit personal code. It is important that you remember your new code. If you forget it, you have to take your phone to your local Sony Ericsson retailer. To use the phone lock 1 Select Menu > Settings > General > Security > Locks > Phone protection > Protection. 2 Select an option. 3 Enter the phone lock code and select OK. To unlock the phone • Enter your code and select OK. To change the phone lock code 1 Select Menu > Settings > General > Security > Locks > Phone protection > Change code. 62 More features This is an Internet version of this publication. © Print only for private use.