Sony XPERIA Ace III User manual

Startup Guide
Handset (Front)
Part Description
Front
Camera
Use to shoot still images, videos of
yourself, etc.
Earpiece Hear the other party's voice here.
Proximity/
Light Sensor
Detects surrounding brightness to
automatically adjust Display or backlight
and prevent Touchscreen misoperation
during a call.
Notification
Lamp
Flashes for notifications while Display is
off. Lights while charging.
Display Touchscreen-type display, operate with
your fingers on Display.
Handset (Back/Side)
Part Description
Second Mic Reduces noise for calling.
Headset
jack
Connect commercially available
headphones.
5G/4G
Antenna Area
Internal Antenna for calls and data
communication.
Main
Camera Capture still images and videos.
5G
Antenna Area
Internal Antenna for calls and data
communication.
Flash/
Photo Light
Use as camera flash when taking photos,
etc.
Wi-Fi/
Bluetooth/GPS
Antenna Area
Internal Antennas for Wi-Fi, Bluetooth,
and GPS.
NFC /
Osaifu-Keitai®
Detection
Area
Hold up to a reader/writer to use NFC /
Osaifu-Keitai®.
SIM Card/
SD Card Slot Insert SIM Card/SD Card.
Speaker Listen to music as well as video, etc.
audio.
USB Type-
C® Port
Connect USB Type-C cable (commercially
available), etc.
Mic Speak here.

Handset Keys
Part Description
Volume/
Zoom Up/
Down Key
Adjust Volume.
Adjust Zoom while using Camera.
Power Key/
Fingerprint
Sensor
Power on/off.
Turn Display on/off.
Or, use Fingerprint authentication.
Inserting SIM Card
SIM Card is an IC card containing phone number and other
customer information.
Always unmount SD Card beforehand.
Pull Tray out from handset
・Pull SIM Card/SD Card Slot Cover out straight using
fingernail in groove.
Set SIM Card into Tray with IC chip facing up
・Check SIM Card orientation by notch.
・Make sure SIM Card is in Tray securely.
Holding handset held level, press Tray in straight
SIM Card is inserted.
・Check Tray orientation.
・Press firmly where circled ○, and make sure there is no gap
between handset and SIM Card/SD Card Slot Cover.
Handling SIM Card
For SIM Card handling, see following items.
IC chip
For SIM Card handling, see Ymobile Website.
https://www.ymobile.jp/support/product/usim/
・Always keep the IC chip clean.
・Wipe clean with a dry, soft cloth.
・Avoid applying labels. May damage SIM Card.

SIM Card Cautions
Observe the following when using SIM Card.
・Customer is responsible for any damage caused by
inserting SIM Card in an other-brand IC card reader, etc.
Ymobile Corp. is not responsible in such case.
・SIM Card is the property of Ymobile Corp.
・SIM is replaceable (at cost) in case of loss/damage.
・Return SIM Card to Ymobile Corp. when cancelling
subscription.
・Returned SIM Cards are recycled for environmental
purposes.
・Note that SIM Card specifications and performance may
change without notice.
・It is recommended that you keep a separate copy of
information that is stored on SIM Card. Ymobile Corp.
is not responsible for damages from stored information
that is lost.
・Always follow emergency procedures to suspend service
if your SIM Card or handset (SIM Card inserted) is lost/
stolen. For details, contact Customer Service.
・Always power off handset before inserting/removing SIM
Card.
・Some services, functions, etc. may have restrictions when
an other-carrier SIM card is used. Ymobile Corp. does not
guarantee operation whatsoever.
Powering On
Long Press Power Key until handset vibrates
Lock Screen appears.
・Startup wizard appears for the first time handset is
powered on. Follow onscreen instructions.
・Battery level is not sufficient if Notification Lamp flashes
red or low battery indicator appears when Power Key is
Long Pressed with handset powered off. Charge Internal
Battery.
FCC ID
To view the regulatory compliance mark
・Find and tap Settings About phone Certificates
Regulatory compliance mark such as FCC ID is displayed on
the screen.
Handset, SIM Card, AC Charger
(Optional Accessory) (Common)
・Do not get wet. AC Charger (optional accessory) is not
water resistant. Avoid using in humid places such as a
bathroom and exposing it to rain. Contact to dampness from
sweat by wearing on your body may cause corrosion inside
resulting in malfunction. If malfunction is determined to be
caused by above water exposures, warranty will not apply
to repair. In the case that repair is possible, repair charge is
incurred.
・External abnormalities such as damage or deformation may
degrade the water resistance/dustproof performance.
・Use handset, SIM Card (inserted in handset) within
temperatures of 5°C to 35°C and humidity 35% to 85%.
Avoid extreme temperatures, humidity, direct sunlight
(temporary use at 36°C to 40°C and humidity 86% to 90%).
・Charge Internal Battery within temperatures of 5°C to 35°C.
・Do not use in a dusty place, where there is much vibration,
or near landline phone, TV, radio, etc.
・For using power outlet with drop-off prevention structure,
see the user's manual.
・Handset exterior case is not removable. Trying to remove
case may cause breakage or malfunction.
・Battery is built in and is not removable.
・Internal Battery is a lithium-ion battery.
・Lithium-ion batteries are precious, recyclable resources.
Do not discard of old handsets, batteries, or chargers with
ordinary waste, and instead bring them to the nearest shop
with the Mobile Recycle Network mark.
・Storing handset with full-charged or insufficient battery
level deteriorates battery performance. It is recommended
to store handset with 40% battery level.
・Turning off by pressing Power Key does not shut off
handset from power source completely. Unplug AC Charger
power plug to completely turn it off. Use AC Charger
(optional accessory) near a power outlet for easy unplugging
in case that malfunction is detected.
・Display may become dim when handset temperature rises. It
is not abnormal.
・Do not subject handset to excessive shock. Do not deform
USB Type-C Port/Headset Jack. May cause malfunction.
・Occasionally clean Charging Terminals with a dry, cotton
swab etc. Dirt on Charging Terminals may cause power
shut-off or insufficient charging. Take care not to damage
Charging Terminals when cleaning.
・Clean with a dry, soft cloth. Rubbing hard with a dry cloth
etc. may scratch them. Wiping off with wet dustcloth
may cause malfunction. Using benzine, thinner, alcohol,
detergent, etc. may fade color/print.
・Do not leave Camera in direct sunlight. Concentrated
sunlight through Lens may cause handset to malfunction.
・Do not bring magnetic data or magnetic objects close to
handset. Magnetic data on cash card, credit card, etc. may
be erased or may cause handset malfunction.

Charging
・AC Charger (optional accessory) may become warm while
charging. It is not abnormal.
・If charging is started, although handset is unavailable
for operation, screen indicating that handset is charging
appears. For this reason, do not charge where handset is
required to be powered off.
・Check battery level with Status Indicator at the top of
screen.
・Operation time of Internal Battery varies by usage
environment or the battery condition.
・Internal Battery is consumable item. Operation time per
charge decreases by charging repeatedly. When operation
time with full-charged is extremely shortened, it is time to
replace. Internal Battery is not customer-replaceable. Bring
handset to a Ymobile Shop etc. to replace Internal Battery.
Fee is incurred for the replacement. Contact a Ymobile Shop
or Customer Service.
・Using application while charging may shorten Internal
Battery life.
Display (Touchscreen)
・Handset uses a touchscreen Display. Operate with your
fingers on Display.
・Touch with your fingers lightly. Do not press forcibly with
fingers or push with a sharp-pointed object (nail, ball-point
pen, pins, etc.)
・Touchscreen may not work or malfunction in the following
cases:
- Operation with gloves on
- 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.
Volume
To prevent possible hearing damage, do not listen at high
volume levels for long periods.
Rising Handset Temperature
This mark is displayed when the surface temperature of the
product rises during use. When the mark is displayed, there is
a risk of burns if you continue using the product while holding
it in your hands. In this case, please refrain from holding it in
your hands.
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 " appears on the electronic nameplate of handset.
Electronic nameplate can be viewed in the following way.
To view: 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.

Xperia Ace III
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. Washing/wiping
hands, using different finger, etc. may improve capability.
- 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
- 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 Ymobile 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.
Forcibly Powering Off
If Display stops responding or handset cannot be powered off,
Long Press both Power Key and Volume Up Key at the same
time for about 10 seconds. After handset vibrates three times
in a row, release Keys and handset powers off.