Sony Ericsson Z558 User Guide - Page 55

SIM card lock The SIM card lock protects your subscription from unauthorized use. Most SIM cards are locked at the time of purchase. If the SIM card lock is on, you have to enter a PIN every time you turn on your phone. If you enter your PIN incorrectly three times in a row, the SIM card is blocked and the message PIN blocked is displayed. To unblock it, you need to enter your PUK (Personal Unblocking Key). Your PIN and PUK are supplied by your network operator. You can edit your PIN and select a new four- to eight-digit PIN. To unblock your SIM card 1 When PIN blocked is displayed, enter your PUK } OK. 2 Enter a new PIN } OK. Re-enter the new PIN to confirm } OK. To edit your PIN 1 From standby, select Menu } Settings } General } Locks } SIM lock } Change PIN. 2 Enter your PIN } OK. 3 Enter a new PIN } OK. Re-enter the new PIN to confirm } OK. If the message Codes do not match appears when you edit your PIN, the new PIN is incorrect. If the message Wrong PIN appears, followed by Old PIN: you entered your old PIN by mistake. To turn the SIM card lock on or off 1 From standby, select Menu } Settings } General } Locks } SIM lock } Protection and } On or Off. 2 Enter your PIN } OK. More features 53 This is the Internet version of the user's guide. © Print only for private use.