NTT docomo MONO MO01J Instruction Manual page 18

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Be sure to back up the data you saved in the terminal on a
microSD card, PC, or cloud service, or keep a separate note.
NTT DOCOMO is not liable for any loss of saved data.
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Do not insert the plug of external device to the external
connection jack at a slant when connecting. Or, do not pull
the plug when they are connected.
Doing so may cause a malfunction or damage.
・
It is normal for the terminal to become warm during use or
charging. Continue to use it.
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Do not leave the camera under direct sunlight.
If you do so, some of the elements may melt or become faded.
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Usually, keep the docomo nano UIM card/microSD card slot
cover closed during use.
Failure to do so may allow liquids such as water (drinking water,
sweat, seawater, urine of pet animals, etc.) or foreign objects such
as dust to enter inside and cause a malfunction.
・
While microSD card is being used, do not take the card out
and do not turn off the terminal.
Doing so may cause data loss or malfunction.
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Do not let magnetic cards, etc. close to the terminal.
The magnetic data in cash cards, credit cards, telephone cards,
floppy disks, etc. may be erased.
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Do not bring strong magnetic objects close to the terminal.
Strong magnetic objects may cause misoperation.
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Do not cover the proximity/light sensor with film or sticker or
dirty it.
- Doing so may cause the functions that use the proximity/light
sensor to malfunction.
- For the position of the proximity/light sensor, refer to the
following.
→ P.24 "Part names and functions"
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The internal battery is a consumable part.
Replace the internal battery if the terminal has extremely short
operation time on a full charge, though it may vary by operating
conditions. For replacing internal battery, contact "Repairs
(Inquiries/Request)" on the last page (in Japanese only) or
DOCOMO-specified repair office.
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Charge the battery in an environment with the proper
ambient temperature (5
・
The operating time of the internal battery varies depending
on the operating environment and the degradation level of
the internal battery.
・
The battery pack may swell out as it comes to near the end of
its lifetime depending on the usage conditions.
Note that malfunctions deemed to be caused by battery
swell are not covered by the warranty or impossible to repair.
Since these malfunctions are not under warranty, even when
repair is possible, it will be done at the user's expense.
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Be careful especially about the following points when
preserving the terminal.
- The battery is fully charged (immediately after the charging is
complete)
- The battery has run out (the terminal cannot power on)
The performance and life of the internal battery may deteriorate.
It is recommended that you store the battery with the remaining
battery level of about 40% as a guide.
・
Type of internal battery for the terminal is as follows.
Display
Li-ion 00 Lithium Ion Battery
16
℃ to 35 ℃ ).
Type of Battery
Contents/Precautions