Sony Xperia XZ1, User Manual

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xperia-xz1_12_Safety Precautions.docx
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object (nail, ball-point pen, pins, etc.)

Touchscreen may not work or malfunction in the following cases:
- Operation with fingernail
- Foreign object on Display
- Protection sheet or sticker applied on Display
- Waterdrop or dew condensation on Display
- Operation with fingers wet or sweaty
- Operation under water

Although Display is made with hardened and shatterproof glass, touching scattered or exposed
parts accidentally may cause injuries.
Earpiece/Speaker
Handset earpiece is also used as a speaker. Loud sound may be heard from the speaker when
playing sound, for arriving incoming calls, etc.
Subjecting your ears to loud sound may affect your hearing ability. Use Earpiece/Speaker with care
to prevent your ears from being subject to loud sound. For example, remove Earpiece/Speaker from
your ears as soon as a call is ended.
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. 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.
- Wet with water, sweat, etc.
- Dried
- Covered with grease (e.g. hand cream)
- Dirty with mud or grease
- Rough or injured (cut, inflammation, etc.)
- Abraded and faded
- 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