Sony Xperia Z3 - Screen lock

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Screen lock

There are several ways to lock the screen. The security level of each lock type is

listed below in order of weakest to strongest:

Swipe – no protection, but you have quick access to the Home screen

Pattern – draw a simple pattern with your finger to unlock your device

PIN – enter a numeric PIN of at least four digits to unlock your device

Password – enter an alpha-numeric password to unlock your device

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.

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To create a screen lock pattern

1

From your Home screen, tap .

2

Find and tap

Settings > Security > Screen lock > Pattern.

3

Follow the instructions in your device.

If your lock pattern is rejected five times in a row when you try to unlock your device, you must

wait 30 seconds before you can try again.

To change screen lock type

1

From your Home screen, tap .

2

Find and tap

Settings > Security > Screen lock.

To change the screen lock pattern

1

From your Home screen, tap .

2

Find and tap

Settings> Security > Screen lock.

3

Draw your screen unlock pattern.

4

Tap

Pattern and follow the instructions in your device.

To create a screen lock PIN

1

From your Home screen, tap .

2

Find and tap

Settings > Security > Screen lock > PIN.

3

Enter a numeric PIN, then tap

Continue.

4

Re-enter and confirm your PIN, then tap

OK.

5

Select an option to show notifications when the device is locked, then tap

Done.

To create a screen lock password

1

From your Home screen, tap >

Settings > Security > Screen lock >

Password.

2

Enter a password, then tap

Continue.

3

Re-enter and confirm your password, then tap

OK.

4

Select an option to show notifications when the device is locked, then tap

Done.

To activate the Swipe unlock function

1

From your Home screen, tap .

2

Find and tap

Settings > Security > Screen lock.

3

Draw your screen unlock pattern, or enter your PIN or password if one of these

screen lock types is enabled.

4

Tap

Swipe, then tap Yes, remove if requested.

Resetting a forgotten screen lock

If you’ve forgotten your screen lock PIN, password or pattern, you might be able to

reset it using the Protection by my Xperia service. No content on your device is lost

after you have performed a screen lock reset using the Protection by my Xperia

service.
To activate the Protection by my Xperia service, see

Finding a lost device

on

page 19.

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To reset the screen lock using Protection by my Xperia

1

Make sure you know your Google™ account username and password and that

you have enabled the Protection by my Xperia service on your device.

2

Go to

myxperia.sonymobile.com

using any Internet-connected device.

3

Sign in using the same Google™ account that you have set up on your device.

4

Click the picture of your device under

Your devices.

5

Select

Lock or Change PIN2 to replace the current screen lock with a new PIN

code.

6

Follow the on-screen instructions provided by Protection by my Xperia.

Depending on your security settings, your device may lock after a screen lock reset. You then

need to enter your Google™ account username and password in order to use the device.