Sony Xperia Z5, User Manual

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Fingerprint Authentication
・Fingerprint authentication uses the characteristics
of your fingerprint. If your fingerprint image has few
characteristics, fingerprint authentication may not be
available.
・Authentication performance (authenticating fingerprint
when using Fingerprint Sensor ( )) depends on usage
condition of handset. If your finger is under any of the
following conditions, registration of fingerprint may be
difficult or authentication performance may degrade.
Authentication performance may be improved by washing
or drying hands, registering a different finger, registering
fingerprint using a wider surface of your finger, etc.
- Wrinkled after taking a bath, etc.
- Covered with sweat, hand cream, etc.
- Dirty with mud or grease
- Rough or injured (cut, inflammation, etc.)
- Extremely dry
- The shape of fingerprint has changed due to weight loss
or weight gain
- Faded due to abrasion, etc.
- The surface condition of finger is extremely different
from when you registered fingerprint
・Personal authentication and identification are not
completely guaranteed by fingerprint authentication
technology. Note that SoftBank Corp. is not liable for any
damage incurred due to misuse by a third party or due to
handset being unable to be used.
・Do not subject handset to strong impacts. Do not scratch
the surface of Fingerprint Sensor or poke it with a pointed
object. Doing so may cause a malfunction or damage.
・Do not paste stickers or other objects on the surface of
Fingerprint Sensor or cover it with ink, etc.
・If Fingerprint Sensor gets dirty, reading a fingerprint may
be difficult or authentication performance may degrade.
Occasionally clean the surface of Fingerprint Sensor.
Technical Conformity
Handset is certified as wireless equipment for low power
electric data communication based on the Radio Law. No
license is required for using handset as the wireless radio
station. However, disassembling/modifying handset may be
subject to penalty by law.
・Never use modified handset. Using modified handset is a
violation of the Radio Law.
・Handset is compliant with the technical standard
conformance of specified wireless equipment based on the
Radio Law, and as a proof of it, the "Technical Compliance
Mark
" appears on the electronic nameplate of handset.
To view the electronic nameplate, in Home Screen,
Settings About phone Certificates .
The technical standard conformance certification etc. is
invalidated by removing the screws and altering the inside
of handset. Using handset with invalid technical standard
conformance certification etc. is a violation of the Radio
Law.
・Do not alter the basic software illegally. May be regarded as
software modification and repairs may be refused.
Forcibly Powering Off
If screen freezes or power-off operation is not available,
forcibly power off by Pressing & Holding Power Key (
)
and Volume Up Key at the same time for approximately 3
seconds, then release after handset vibrates three times.
・Alternatively, open Slot Cover, Press & Hold yellow OFF
button for approximately 3 seconds and release after
handset vibrates three times.
・Do not poke yellow OFF button with a sharp object such as
a needle. Doing so may cause malfunction.