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• Do not put a sticker, etc., on the proximity/light/gesture
sensor. Doing so may cause the sensor to malfunction and
make the display always turned off while receiving a call or
during a call.
• Do not cover microphones (upper/lower) with your fingers, etc.
It may make your voice inaudible to the other party and sound
difficult to be recorded or detected.
■ Touch Panel
• Use your finger or S Pen to operate the touch panel. Do not
use ballpoint pens, pencils or other sharp-pointed objects.
Using such objects does not only hinder correct operation of
the touch panel, but also might cause scratching or damage
to the display.
• Do not put stickers or sheets (e.g. commercially available
protective films, peep prevention sheets) on the display. Doing
so might hinder correct operation of the touch panel.
• Do not operate the touch panel with fingernails. Doing so
might result in split nails or jammed fingers.
• If the display surface is dirty or wet with sweat or water, it
may not function correctly. In such case, wipe the display
surface with a dry, soft cloth.
• When carrying the product in your pocket or bag, take care
not to put the touch panel close to metals or other conductive
materials, as it might cause false operation of the touch
panel.
■ Battery pack
• Use in very hot or cold environments, for example, when left in
an automobile with the windows closed in summer, will cause
the battery capacity to drop and shorten the available battery
usage time. This will also shorten the battery pack's service
life. Try to use the battery pack as far as possible at room
temperature.
• When the battery pack is not to be used for a long time,
remove the battery pack from the main unit, and store it away
from hot and humid places.
• Charge the battery before using the product for the first time
after purchase, or if you have not used the product for a long
time.
• The battery pack is a consumable item. If the performance of
a battery pack does not recover after charge, the battery pack
is at the end of service life, so buy a new one of the specified
type. Note that the length of service life varies depending on
the usage condition, etc.
• Do not discard battery packs together with regular trash.
Please cooperate in the collection of used battery packs to
protect the environment and effectively use resources. au
shops and other retailers collect used battery packs.
• Battery packs sometimes swell up as they approach the end
of their service life. This is due to the properties of lithium-ion
batteries, and is not a problem in terms of safety.
• FeliCa antenna and NFC antenna are embedded in the battery
pack. Handle it properly.
■ Charging equipment
• When not using the specified charging equipment (sold
separately), remove the plug from the power outlet or
cigarette lighter socket.
• Do not forcibly bend the plug of the charging equipment's plug
or the connection between the connector and power cord.
Doing so might cause electric shock, overheating, fire, fault or
injury.
• Do not apply force to attach or remove the attachment.
Notice that applying excessive force may cause malfunction
or damage.
■ au Micro IC Card (LTE)
• The au Micro IC Card (LTE) is lent to you by au. In case of loss
or damage, the card will be replaced at your expense. When a
malfunction is suspected, or in case of theft or loss, contact
an au shop or PiPit.
• Do not forcibly remove or insert the au Micro IC Card (LTE). Be
careful not to exert excessive force when inserting the card
into your au cell phone.
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