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Maintaining the Waterproof and Dustproof
Properties
■ Rubber seal
The rubber seal on the au IC Card/microSD memory card tray is important to
maintain the waterproof/dustproof property. Be sure to observe the following
items.
• Do not remove or scratch it.
• When closing the au IC Card/microSD memory card tray, do not get the
rubber seal caught. Also, do not insert sharp objects into gaps around the
au IC Card/microSD memory card tray, the earphone/microphone jack or
external connection jack section.
Doing so may damage the rubber seal and cause liquid or dust to get inside.
• It is recommended to replace the parts for maintaining the waterproof/
dustproof property (pay service) once every two years regardless of whether
any abnormality is present. For information on part replacement, contact an
au shop near you.
Precautions on Charging
ROBOQUL (sold separately), specified charger (sold separately) and optional
accessories are not waterproof/dustproof. Be sure to check the following items
before and after charging.
• Check that there are no water drops or foreign objects on the product. If
foreign objects are attached on the product, immediately wash it away. Also,
if it is wet or after it gets wet, drain water well and wipe remaining water off
with a clean dry cloth etc. before inserting the USB Type-C™ plug into the
external connection jack.
• Never connect the USB Type-C plug when the product or specified charger
(sold separately) is wet or foreign objects are attached to it.
Although the product is water/dust resistant, ROBOQUL (sold separately),
the specified charger (sold separately) and optional accessories are not
water/dust resistant. Any water or foreign matter on the product or USB
Type-C plug when inserting the USB Type-C plug while the product/specified
charger is wet or dirty might cause electric shock or short circuit/corrosion
causing abnormal overheating, burnout, fire, burns, or a fault.
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