Sony XPERIA Ace Instruction Manual page 188

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To turn off the screen lock
From the Home screen, [app
1
u
folder]
[Settings]
u
security]
[Screen lock]
set unlock pattern/PIN/password
u
u
[None]
[YES, REMOVE].
❖ Information
Entering incorrect pattern/PIN/password 5 times
consecutively disables canceling the screen lock.
Wait for approximately 30 seconds and then operate
the canceling of screen lock again.
If you forget set pattern/PIN/Password, contact a
docomo Shop.
u
[Lock screen &
u
Enter the
Setting up fingerprint
authentication
The terminal has a fingerprint sensor (P.29)
and you can unlock the screen lock with the
fingerprint authentication, touching it with
the registered finger.
Notes on using fingerprint
authentication
Your terminal recognizes a fingerprint based
on its unique characteristics. For this reason,
some users may not be able to use fingerprint
authentication if their fingerprints are not
sufficiently unique.
Authentication performance—how
successfully your fingerprint can be
recognized when you touch the fingerprint
sensor properly—varies depending on the
condition of your fingers. Fingerprint
registration may fail or the authentication
performance may decrease if your fingers
have any of the conditions listed below. Note
that you may be able to improve the
authentication performance by wiping or
washing your hands, using a different finger
for authentication, or registering a larger area
of your fingerprint.
- Your fingers are: Wrinkled or wet (for
example, after you take a bath)
- Sweaty or greasy (with hand cream etc.)
Settings
186

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