To change the SIM card PIN2

1From the Home screen, tap .

2Find and tap Settings > Call settings > Fixed dialing numbers > Change PIN2.

3Enter the old SIM card PIN2 and tap OK.

4Enter the new SIM card PIN2 and tap OK.

5Confirm the new PIN2 and tap OK.

To unblock a locked SIM card

1When Enter PUK and new PIN code appears, enter the PUK code.

2Enter a new PIN code and tap OK.

If you enter an incorrect PUK code too many times, the SIM card becomes blocked. If this happens, contact your service provider to get a new SIM card.

Setting a screen lock

There are several ways to lock the screen on your device. For example, you can use the Face Unlock feature, which uses a picture of your face to unlock the screen. You can also set a screen unlock pattern, a number-based PIN lock, or a text-based password.

To set a screen lock

1From your Home screen, tap > Settings > Security > Screen lock.

2Select an option.

It is very important that you remember your screen unlock pattern, PIN or password. If you forget this information, it may not be possible to restore important data such as contacts and messages. Refer to Sony Customer support for more information.

To set up the Face Unlock feature

1From your Home screen, tap > Settings > Security > Screen lock.

2Tap Face Unlock, then follow the instructions on your device to capture your face.

3After your face is successfully captured, tap Continue.

4Select a backup lock method and follow the instructions in the device to complete the setup.

The Face Unlock feature is less secure than a screen lock pattern, PIN, or password. Someone who looks similar to you could unlock your device.

For best results, capture your face in an indoor area that is well lit but not too bright, and hold the device at eye level.

To unlock the screen using the Face Unlock feature

1Activate the screen.

2Look at your device from the same angle you used to capture your Face Unlock photo.

If the Face Unlock feature fails to recognize your face, you need to draw the backup pattern or enter the PIN to unlock the screen.

To disable the Face Unlock protection

1From your Home screen, tap > Settings > Security > Screen lock.

2Draw your backup screen unlock pattern or enter your PIN.

3Tap Slide.

To create a screen unlock pattern

1From the Home screen, tap .

2Find and tap Settings > Security > Screen lock > Pattern.

3Follow the instructions in your device. You are asked to select a security question that will be used to unlock the device if you forget your screen unlock pattern.

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Sony 1271-4774, 1271-4773 manual Setting a screen lock
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1271-4774, 1271-4773 specifications

The Sony 1271-4773 and 1271-4774 are advanced electronic components designed to meet the growing demands of modern technology. These two models have been engineered with a focus on reliability, efficiency, and user-friendly features, making them ideal for a wide range of applications in consumer electronics, professional audio systems, and more.

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