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Trouble
Time is incorrect.
• It may be occurred if the terminal keeps turned on
for a long time.
Check if "Automatic date and time" is set to ON,
and turn on the terminal at places where signal is
strong. → P.101
Terminal becomes
• It may be caused by applications installed to the
unstable.
terminal after purchase. If problems improve when
you start in Safe mode (a function to activate the
terminal in a mode similar to default), problems may
be improved by uninstalling the application.
- To start Safe mode
Press [Power/Screen lock key] for 2 seconds or
more when power is OFF, and after docomo logo
disappears, continue to press volume DOWN key.
* When Safe mode starts, "Safe mode" appears
on the lower left corner of the screen.
* To terminate Safe mode, open notification
panel and tap "Safe mode enabled" → "OK".
- For using Safe mode, back-up the required data
beforehand.
- Note that widget you created may be removed.
- Safe Mode is not normal activation. Usually exit
Safe Mode and then use the terminal.
Terminal reacts
• Confirm the internal memory usage of the terminal
slowly/Behaviors
and obtain memory by ending some activated
become unstable/
programs. → P.94
Some of the
program cannot
activate.
Data is not
• Turn off and on the power. If it does not solve the
displayed properly/
problem, trying "Factory data reset" (P.96) may
Cannot operate
improve the symptoms. Note that the operation
the touch screen
erases all data saved on the terminal. Make sure
properly.
to back up necessary data beforehand.
Application does
• Are there any applications being disabled? Enable
not work properly
the disabled applications and try again. → P.94
(cannot activate,
errors occur
frequently, etc.).
Check and remedy
Calling
‡
Trouble
Cannot make a call
• Is the docomo nano UIM card installed to the
even though Call
terminal correctly? → P.17
key is tapped.
• Is the terminal set to Airplane mode? → P.88
The ringtone does
• Is the terminal set to Silent mode (Vibrate, Mute)?
not sound.
→ P.92
• Is "Ringtone" set to "Silent"? → P.93
• Is the volume in "Ringtone" set to 0? → P.93
• Is the terminal set to "Blocking mode"? → P.49
• Is the terminal set to Airplane mode? → P.88
• Is the ring time of Voice mail service or Call
forwarding service to "0 sec."? → P.49
• Is the Play after of Answering message set to "0
sec."? → P.48
Cannot connect
• Turn the power off and on, or remove and attach
calls (out of area
the battery pack or docomo nano UIM card. →
does not disappear
P.17, P.18, P.20
even when you
• Due to the radio wave types, making/receiving
change the
calls may be unavailable even in the service area
location, or cannot
and even when strong radio wave is indicated in
make/receive a call
4 signal mark. Move to the other place and call
even when radio
again.
wave when strong).
• Is the terminal set to "Blocking mode"? → P.49
• Due to the crossing of radio waves, at the
crowded public places, calls/mails are crossed
and the connection status may not be good. In
that case, calling sound is played. Move to other
place or call again at other time.
Cannot connect to
• Do you use at a place where signal is weak?
network.
• Turning the terminal power OFF and then turning
ON again may work for the restoration. → P.20
117
Check and remedy
Appendix/Index
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