Samsung Galaxy A20 Notes On Usage page 34

• Do not place the product directly on beach sand,
etc. Sand or other small particles might get inside
the receiver, the mouthpiece/microphones (upper/
lower) or the speaker, causing the volume to drop.
If sand gets into the interior of the product, it might
cause overheating or a fault.
• Do not use the product underwater.
• Do not use or store the product in a bathroom, kitchen
or other highly humid areas for a prolonged period.
• There may be some water remaining on the
product even after draining it. The product can be
used normally, but remember to keep it away from
objects you do not wish to get wet. Also be careful
as your clothes, bag, etc. may get wet from the
water remaining on the product.
• You need to perform draining if water accumulates
in the mouthpiece/microphones (upper/lower) or
receiver temporarily making it harder to hear the
sound.
• The product is not resistant to water pressure. Do
not directly apply high water pressure to or immerse
the product for a prolonged period.
• Do not wash the product using a washing machine
or ultrasound cleaner.
• Do not immerse the product in a bathtub. The
product is not heat resistant.
• Abrupt temperature changes may cause
condensation to form and may result in
malfunctions. Wait for the product to reach normal
temperature when taking it into a warm bathroom,
etc. from cold areas.
• The product does not float in water.
• Do not charge the device in the bathroom.
● au...IC...card/microSD...memory...card...tray ...
• Make sure to attach the au IC card/microSD
memory card tray without any gaps. Even a fine
debris (a piece of hair, etc.) between contact
surfaces may allow water to enter the interior of
the product.
• Do not wear gloves, etc. when you attach or remove
the au IC card/microSD memory card tray. Even a
fine debris (a piece of hair, etc.) between contact
surfaces may allow water to enter the interior of the
product. If there is any water droplets or debris on
the tray, wipe them off completely with a dry clean
cloth before attaching it.
• Deterioration or damage of the au IC card/microSD
memory card tray will cause the waterproof
performance to degrade.
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Notes...on...Usage