Wrong PIN/Wrong PIN2 You have entered your PIN or PIN2 incorrectly. Enter the correct PIN or PIN2 } Yes, % 73 SIM card lock

Codes do not match When you want to change a security code (for example your PIN) you have to confirm the new code by entering it again. The two codes that you have entered do not match, % 73 SIM card lock.

PIN blocked/PIN2 blocked You have entered your PIN or PIN2 incorrectly three times in a row. To unblock, % 73 SIM card lock.

PUK blocked You entered your personal unblocking key code (PUK) incorrectly 10 times in a row. Contact your service provider.

Phone locked The phone is locked. To unlock the phone, % 75 Phone lock or slide the lock switch down (see “Getting to know your phone” on page 8 for the location of the lock switch).

Troubleshooting

Phone lock code Your phone comes with the phone lock code, 0000. You can change it to any four- to eight-digit code, % 75 Phone lock.

Number not permitted The fixed dialing function is activated and the number you have dialed is not on your fixed numbers list, % 32 Fixed dialing.

Charging, alien battery The battery you are using is not a Sony Ericsson approved battery, % 83 Battery use and care.

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Sony Ericsson S710a warranty Troubleshooting