Sony Xperia XZ1, User Manual

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xperia-xz1_12_Safety Precautions.docx
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
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.
Precautions on Fingerprint Sensor
- Do not hit or apply strong impact. This may cause a malfunction or damage. Also, do
not scratch the surface or poke it with a sharp object such as a ballpoint pen or pin tip.
- Do not attach stickers or do not daub with ink, etc.
- If dirt such as dust or sebum is attached to Fingerprint Sensor, reading fingerprints may
be difficult or the authentication performance may be degraded. Occasionally clean the
surface of Fingerprint Sensor.
- If the time of touching is too short or too long, authentication may fail. Touch the center
of Fingerprint Sensor straight with the vortex of your fingerprint.
- Activating Fingerprint Sensor may fail if a finger is placed on it before starting
registration or authentication. Release your finger once and try again.
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,
(Apps) (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 8 seconds, then release
after handset vibrates three times consecutively.