Sony Xperia XZ2A Manual page 218

- Rough or injured (cut, inflammation, etc.)
- Abraded and faded
- Faded due to abrasion, etc.
- The shape of fingerprint has changed due to weight loss or weight gain
- 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.
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.
Disassembling/modifying handset

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
the electronic nameplate of handset.
Electronic nameplate can be viewed in the following way.
To view:in Home Screen,
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.
xperia-xz2a_14_Safety Precautions.docx
19
(Apps) (Settings) System About phone
" appears on
Certificates