7
Handling precautions
These precautions are provided to prevent the product from
damage and ensure that performance can be fully
demonstrated. Thoroughly read these precautions to ensure
correct use.
Precautions common to the main unit, internal
battery, charging equipment, au IC card (SIM card),
peripheral devices
• Do not apply excessive force to the product during use. Be
sure not to put the product into a tightly packed bag or place
a heavy object on the product in a bag. Sitting on the product
in your pocket might damage the display or internal circuit
board or cause a malfunction.
Keeping an external device connected to the USB Type-C
™
connection terminal or headset connection terminal might
cause damage of the connector or a malfunction. Such
damage and malfunction are not covered by the warranty,
even if there is no external damage
• Do not use the product in places that have extremely hot or
low temperatures, or high humidity.
(Use within an ambient temperature range of 5
℃
to 35
℃
and a humidity range of 35% to 85%)
• Do not use in places subject to lots of dust or vibration.
Doing so may cause a fault.
• Clean the charging jack or the external connection terminal
with dry cotton swabs, etc. every now and then. Soiled
terminals might cause poor connection. Do not exert a
strong force to clean the charging jack or the external
connection terminal to prevent deformation.
• Clean the product with a soft dry cloth (such as the type
used for eyeglasses). Forceful rubbing with a dry cloth may
scratch the display. The display may be stained if splash or
smear is left attached to the surface. Wiping the product
using alcohol, thinner, benzine, detergent, glass cleaner, etc.
might erase the printing on the outer casing or cause
discoloration.
• Use as far away as possible from land-line phones, TVs and
radios. Use of the product nearby might affect them.
• The product might become warm while talking, watching TV,
charging or during other operations, depending on the
situation, but this is not abnormal.
• Do not place near corrosive chemicals or in places where
corrosive gas is generated. Doing so might cause a
malfunction.
• Do not use outside when you can hear thunder. Doing so
might risk lightning strikes and electric shock.
• Be sure to use only the specified peripheral devices. Use of
other peripheral devices might cause a malfunction.
• Do not put the product in a cooking apparatus such as
microwave oven or a pressure vessel. Doing so might cause a
malfunction.
• Do not disassemble, modify or repair the product. Doing so
might cause a malfunction. Modification of cell phones is in
violation of the Radio Law and the Telecommunications
Business Act.
• Do not allow a part of your body such as finger or conductive
foreign objects (metal fragments, pencil leads, etc.) to come
into contact with or to enter the USB Type-C
™
connection
terminal or headset connection terminal. Doing so might
cause a malfunction.
• Do not spray on the product. Hence, do not use the product
in the bathroom, and other damp places and do not use the
product with wet hands. Failure to do so might cause a
malfunction due to short circuit or corrosion.
• If the malfunction is caused due to water stained, or damp
places, such damage and malfunction are not covered by the
warranty.
• In the event that the product gets wet while charging,
immediately disconnect the plug of the charging equipment.
• Do not use the product while driving an automobile or
motorized bicycle, riding a bicycle or walking. Use of a mobile
phone while driving a car or motorbike is prohibited by law.
Use of a mobile phone while riding a bicycle might be
punishable by some regulations.
• Using or charging the product in a bag or when it is covered
with bedding might cause a malfunction.
• When using the charging equipment or external equipment,
please directly unplug the connector against the connection
terminal. If the connector is unplugged from a wrong
direction, it might cause a malfunction.
• Do not expose the camera lens to direct sunlight for an
extended period. Doing so might cause a malfunction.
• Do not use, store, and leave the product in places subject to
direct sunlight (e.g. in automobiles), places that get hot,
places that get extremely cold, and in humid or dusty places.
Doing so might cause a malfunction.
• Do not place the product on an unstable or inclined platform.
Be careful especially while charging or when vibrator is set.
The product might fall and cause a malfunction etc.
• When charging the product on multi-outlet extension cord,
do not exceed the rated voltage for the socket or wiring
devices.
Main unit
• Since the battery is built into the product, you cannot replace
it yourself. For replacing the battery, contact an au shop or
Customer Service Center.
• Do not forcefully press, tap or intentionally subject the
display to strong impact. Doing so might cause scratching or
damage.
• Do not forcefully press your fingernails, sharp objects or hard
objects against buttons or display surface. Doing so might
cause scratching or damage.
• The touch panel is designed to be lightly touched by fingers.
Do not apply strong pressure with your fingers, or sharp-
pointed objects (such as fingernails, ballpoint pens and pins)
on the touch panel.
• In the following cases, the product may not respond to
touching the touch panel, or errors in operation may occur.
• Operation with gloved hands
• Operation with fingernails
• Operation with a foreign object placed on the display
• Operation with a protective sheet or sticker on the display
• Operation with water drops or dew condensation attached
on the display
• Operation with wet or sweaty fingers
• Operation underwater
