117
Appendix/Index
Trouble
Check and remedy
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
unstable.
• It may be caused by applications installed to the
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
slowly/Behaviors
become unstable/
Some of the
program cannot
activate.
• Confirm the internal memory usage of the terminal
and obtain memory by ending some activated
programs. → P.94
Data is not
displayed properly/
Cannot operate
the touch screen
properly.
• Turn off and on the power. If it does not solve the
problem, trying "Factory data reset" (P.96) may
improve the symptoms. Note that the operation
erases all data saved on the terminal. Make sure
to back up necessary data beforehand.
Application does
not work properly
(cannot activate,
errors occur
frequently, etc.).
• Are there any applications being disabled? Enable
the disabled applications and try again. → P.94
Calling
Trouble
Check and remedy
Cannot make a call
even though Call
key is tapped.
• Is the docomo nano UIM card installed to the
terminal correctly? → P.17
• Is the terminal set to Airplane mode? → P.88
The ringtone does
not sound.
• Is the terminal set to Silent mode (Vibrate, Mute)?
→ 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
calls (out of area
does not disappear
even when you
change the
location, or cannot
make/receive a call
even when radio
wave when strong).
• Turn the power off and on, or remove and attach
the battery pack or docomo nano UIM card. →
P.17, P.18, P.20
• Due to the radio wave types, making/receiving
calls may be unavailable even in the service area
and even when strong radio wave is indicated in
4 signal mark. Move to the other place and call
again.
• 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
network.
• Do you use at a place where signal is weak?
• Turning the terminal power OFF and then turning
ON again may work for the restoration. → P.20