Sony Xperia C4 - Page 12

– 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.
If you have set up a Microsoft® Exchange ActiveSync® (EAS) account on your Xperia™
device, the EAS security settings may limit the lockscreen type to only a PIN or password.
This occurs when your network administrator specifies a specific lock screen type for all EAS
accounts for security reasons. Contact the network administrator of your company or
organization to check what network security policies are in effect for mobile devices.
To Change Your Screen Lock Type
1
From yourHome screen, tap .
2
Find and tap Settings > Lock screen & security > Screen lock.
3
Follow the instructions on your device.
To Create a Screen Lock Pattern
1
From yourHome screen, tap
.
2
Find and tap Settings > Lock screen & security > Screen lock > Pattern.
3
Follow the instructions on your device.
If you enter an incorrect lock pattern five times in a row, you must wait 30 seconds before
trying again.
To Change the Screen Lock Pattern
1
From your Home screen, tap .
2
Find and tap
Settings
>
Lock screen & security
>
Screen lock
.
3
Draw your screen unlock pattern.
4
Tap
Pattern
and follow the instructions on your device.
To Create a Screen Lock PIN
1
From your
Home screen
, tap .
2
Find and tap Settings > Lock screen & security > Screen lock > PIN.
3
Enter a numeric PIN, then tap
Continue
.
4
Re-enter and confirm your PIN, then tap OK.
To Create a Screen Lock Password
1
From your Home screen, tap .
2
Find and tap
Settings
>
Lock screen & security
>
Screen lock
>
Password
.
3
Enter a password, then tap Continue.
4
Re-enter and confirm your password, then tap
OK
.
To Activate the Swipe Unlock Function
1
From your Home screen, tap
.
2
Find and tap Settings > Lock screen & security > Screen lock.
3
Draw your screen unlock pattern, or enter your PIN or password depending on
which of these screen lock types is enabled.
4
Tap Swipe, then tap Yes, remove.
Resetting a Forgotten Screen Lock
If you forgot your screen lock PIN, password, or pattern, you may be able to reset it
using the Protection by my Xperia service. No content on your device is lost after you
perform a screen lock reset using this service.
To activate the Protection by my Xperia service, see
Finding a Lost Device on the 18
page.
12
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