Sony NTT Docomo Xperia GX SO-04D Instruction Manual page 145

Setting screen unlock method
From the Settings screen (P.112),
1
tap [Security]
Tap [Slide]/[Face Unlock]/
2
[Pattern]/[PIN]/[Password].
When you select [Face Unlock] follow
the onscreen instructions to set face
authentication. For Screen lock when
the Face Unlock cannot be unlocked,
select pattern or PIN to enter.
When you select [Pattern], follow the
onscreen instructions to enter unlock
pattern.
Set security question and answer in case
you forget the pattern.
When you select [PIN], follow the
onscreen instructions to enter 4 or
more numbers. This "PIN" code is
different from a PIN code to be set to
docomo mini UIM card (P.141).
When you select [Password], follow the
onscreen instructions to enter 4 or
more characters including alphabets.
u
[Screen lock].
Changing screen unlock method
From the Settings screen (P.112),
1
tap [Security]
Enter the set unlock pattern/PIN/
password.
If you should fail 5 times when you
enter the unlock pattern, wait 30
seconds and then try again.
Tap [Slide]/[Face Unlock]/
2
[Pattern]/[PIN]/[Password].
Select items you want to change into.
For setting procedure, see Step 2 (P.143)
of "Setting screen unlock method".
Locking the screen
Once screen unlock method (P.143) is set, the
screen is locked when the sleep mode is set
p
or is pressed.
Unlocking the screen lock
p
Press to turn the backlight
1
on.
Enter unlock screen method.
2
Enter the set Slide/Face unlock/unlock
pattern/PIN/password.
u
[Screen lock].
Settings
143