544
Appendix/Index
Trouble
Check and remedy
Power is
automatically
turned off or
the terminal is
automatically
restarted.
• If the terminal of battery pack
is dirty, the contact may
become poor and the power
may shut OFF. When it is
dirty, clean the battery pack
with a dry cotton swab etc.
No operation
is performed
even when
tapping the
touch screen.
• Is the screen locked? Unlock
the screen by pressing
[Power/Screen lock
key]/
[Home key].
→ P.72, P.453
The touch
screen reacts
slowly when
a screen is
tapped.
• It may be occurred when large
amount of data is saved in
the terminal or transferring
large-size data between the
terminal and microSD card.
• Do you attach a protection
sheet on the terminal? The
operations may be impeded
by the protection sheet.
The docomo
mini UIM
card is not
recognized.
• Is the docomo mini UIM
card installed with a correct
direction? → P.60
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.473