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z When connecting an external connector device to the
external connection jack, do not put it in obliquely and do
not pull it while it is plugged in.
May cause a malfunction or damage.
z The handset becomes warm during use or charging but this
is not a malfunction.
z Do not leave the camera lens in direct sunlight.
May cause discoloration or burn-in of pixels.
z Use the handset with the nano UIM Card and microSD Card
tray closed.
Liquid such as water (drinking water, sweat, seawater, pet urine, etc.)
or foreign object such as dust may get inside and cause a malfunction.
z Do not give a strong impact on the fingerprint sensor or
scratch the surface.
May cause not only malfunction of the fingerprint sensor but also
disabling authentication.
z While using a microSD Card, do not remove the card or turn
off the handset.
May cause data loss or a malfunction.
z Never place a magnetic card or magnetized items near the
handset.
The stored magnetic data in cash cards, credit cards, telephone
cards, floppy disks, etc. may be erased.
Putting highly magnetized items closer may cause an error.
z Do not decorate the handset with films, stickers, etc.
The operation such as each function for using the proximity sensor/
brightness sensor may not work normally.
Refer to the following for details on the position of the proximity
sensor/brightness sensor.
☞
P. 28 "Part names and functions"
z The internal battery is not covered by warranty because it is
a consumable product.
Depending on usage, the internal battery may swell as it approaches
the end of its usable life. Change the battery if the its life becomes
extremely shorter or the it swells even after fully charged.For details
on replacing the internal battery, contact the number listed in
"Repairs" (in Japanese only) on the last page or a repair counter that
●●● specifies.
z Charge battery in areas where ambient temperature is
between 5℃ and 35℃ .
z The battery life depends on the usage and deterioration of
the battery.
z Do not store the handset under the following situations
because they may lower the performance or shorten the
usable life of the internal battery.
y Storage with the internal battery fully charged (immediately after
charging is completed)
y Storage with no battery level (cannot turn the handset on)
Approximately 40% is recommended as the proper battery level for
storage.
z The following is the type of the internal battery built into the
handset.
Label
Li-ion00
z The surface of the handset uses the aluminum material.
Note that dent and abrasion are easily remained as
aluminum is a soft material.
20
Battery type
Lithium-ion
Contents/Precautions
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