Samsung Galaxy Note10+ Notes On Usage page 36

• Take care not to place magnetized items such as
magnetic cards, speakers and TV sets near the
product, as it might cause malfunction. Putting
a strong magnetism close to the product might
cause false operation.
• Do not bring the product close to magnetized
objects such as cash cards, credit cards, and
prepaid cards. Doing so might result in loss of
recorded information.
• When you put the product in your pocket or bag,
take care so that the display does not come in
contact with metal objects or other hard objects, as
it might cause scratching or damage. Also, do not
touch the display straps with metal or other hard
materials, as it may cause scratching or damage.
• When suddenly brought into a warm place from a
cold place, or when in a humid location, or when used
where temperature suddenly changes (e.g. near the
air discharge port of an air conditioner), water droplets
(i.e. condensation) sometimes are formed inside the
product. Note that when used under conditions such
as this, the humidity might cause corrosion or a fault.
• While writing/reading data to/from a microSD
memory card, do not subject the product to
vibration or impact, or turn off the power. Doing so
might cause loss of data or a fault.
• Do not cover the proximity/light sensor with your
finger or put a sticker on it. Doing so may hinder
it from detecting the ambient brightness and
functioning correctly.
• Do not put a sticker, etc., on the proximity/
light sensor. Doing so may cause the sensor to
malfunction and make the display always turned off
while receiving a call or during a call.
• Normally, keep the au IC card/microSD memory
card tray closed when using the product. Otherwise,
dust or water may enter the product interior and
may cause malfunctions.
• Do not put liquids, metals, or other foreign objects
into au IC card/microSD memory card slot of the
product. Doing so might cause fault.
• Do not subject to strong impact, such as dropping,
stomping and throwing. Doing so might cause fault.
• Do not put the product directly on sand at a beach,
etc. Sand or other small particles might get inside
the receiver/speaker, the mouthpiece/microphones
(upper/lower), the speaker, etc., causing the volume
to drop. If sand gets inside the product's main unit,
it might cause fault.
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Notes...on...Usage