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Precautions
About using the terminal
The terminal is a SIM lock free phone that
•
supports 5G, LTE, W-CDMA, GSM/GPRS and
wireless LAN systems.
Because the terminal uses radio frequencies, it
•
is not available inside a tunnel, underground,
building or other locations where radio waves
do not reach, in a place with weak radio
waves, or out of 5G service area or LTE service
area. Also, it may not be available on the
upper floors of high-rise apartments or
buildings, even if there are no obstructions
around you. Note that calls may be
disconnected even when you stay without
moving in areas with strong radio wave
condition indicated with the 4-signal icon.
Because the terminal uses radio waves to
•
communicate, it is possible that a third party
may attempt to tap your calls. However, the
LTE, W-CDMA, GSM/GPRS system
automatically scrambles all calls through a
private call feature. Therefore, even if the third
party successfully intercepts your call, they
will only hear noise.
The terminal operates on radio frequencies by
•
converting voice into digital signals. If a caller
moves into an area of poor radio wave condition,
the digital signal may not be restored accurately,
and the voice received in the call may differ
slightly from the actual voice.
For using a nano SIM card and eSIM at the
•
same time, available services, functions, etc.
may be restricted. DOCOMO is not liable to
any failures or malfunctions.
The terminal supports the function which
•
allows "User" or "Guest" to use the terminal.
Therefore some services or applications
recognize them as the same user even after
the user is switched. DOCOMO shall have no
liabilities for any damage or troubles of
customer or a third party resulting from using
the function (P.225).
Note down the data saved to the terminal in a
•
separate note on a regular basis or save to an
external recording medium such as a microSD
card or PC. Note that DOCOMO assumes no
responsibility for any loss of saved data
resulting from malfunction, repair, changing
of the model or other handling of the
terminal.
Precautions
4
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