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Appendix/Index
Error messages
Error message
Cause and remedy
Page
The application
XXXX (process
XXXX) has stopped
unexpectedly./XXXX
(XXXX) has stopped.*
Appears when an error is occurred in
the terminal or function. Tap "Force
close"/"OK" and then retry.
-
Airplane mode on.
Turn Airplane mode
off to make calls.
Appears when you try to make a call
with the Airplane mode is set. Set the
Airplane mode off, and retry.
Mobile network not
available.
The docomo nano UIM card is not
correctly installed to the terminal. Make
sure that the docomo nano UIM card is
correctly attached.
Please wait for a
while (Voice service)./
Please wait for a
while (Data service).
Appears when communication is
restricted due to access congestion on
call/communication. Operate again after
the restriction is released.
-
Request to switch to
video call failed.
Appears when switching to video call
fails. Switching is not possible during
emergency call and audio guide, when
the other party is using Catch Phone (call
waiting service), when calling outside the
Xi area, etc.
Request to switch to
voice call failed.
Appears when the other party rejects
switching to video call, etc.
Unable to dial
Appears when making video call fails.
Make sure that you are in Xi Area, and
check the calling mode settings, settings
of mobile network, etc.
Unable to set during
a call session
Appears when you try to change the
calling mode settings during a call. Set
after you end the call.
Error message
Cause and remedy
Page
Unable to set
because you are
connected to a
network other than
docomo's
Appears when you try to change the
calling mode settings when the network
you are connected to is not docomo.
Connect to a docomo network.
Unable to set due to
no signal
Appears when you try to change the
calling mode settings when you are out
of the service area. Set in a place with
good reception.
Storage space
running out
Some of the system
functions may not
work
Appears when available memory of
the Device memory is low. If you keep
using the terminal, some functions or
applications may not work. Delete data
such as one for application or media
contents to increase available memory
space.
Unable to update
software. A network
or server error
occurred. Try again
later.
Communication with the server is failed.
Wait for a while and retry the operation.
Camera failed.
Appears when activating Camera fails.
Wait for a while and retry the operation
or turn the power off then turn on the
terminal.
Check the battery level and available
memory space of the terminal.
Exit Camera. Battery
temperature too high.
Appears when the temperature of the
terminal becomes high and the Camera
closes. Wait for a while and retry the
operation or turn the power off then turn
on the terminal.
Recording failed
Appears when camera recording is
failed.
Exit the camera app and restart the app.