Sony Ericsson S710a User Guide - Page 75

More features If you enter your PIN incorrectly three times in a row, the SIM card is blocked and the message PIN blocked. appears. To unblock it, you need to enter your PUK (Personal Unblocking Key). Your PIN and PUK are supplied by your service provider. If the message Codes do not match. appears, you entered the new PIN incorrectly. If the message Wrong PIN. appears, followed by Old PIN:, you entered your old PIN incorrectly. To unblock your SIM card When PIN blocked. is displayed, enter your PUK } OK. Enter a new four- to eight-digit PIN } OK. Re-enter the new PIN to confirm } OK. To edit your PIN } Settings } the General tab } Locks } SIM Lock } Change PIN. To turn the SIM card lock on or off } Settings } the General tab } Locks } SIM Lock } Protection and select On or Off. Enter your PIN } OK. Keypad lock You can lock the keypad to avoid dialing a number by accident. Calls to the emergency numbers 112, 060 and 911 can still be made even when the keypad is locked. Automatic keylock Automatic keylock locks the keypad a short while after you last press a key. To set the automatic keylock } Settings } the General tab } Locks } Automatic Keylock. To lock the keypad manually Slide the lock/light switch or press } Lock Keys. You can still answer an incoming call and the keypad locks again after it. The keypad remains locked until you unlock it manually. To unlock the keypad, slide the lock/light switch or press } Unlock. 74 This is the Internet version of the user's guide. © Print only for private use.