Symptom
Check item
This terminal
powers off
or restarts
automatically
• If the battery pack terminal
is dirty, the contact may
become poor and the power
may be turned off. If dirty,
wipe the battery pack
terminals with a dry cotton
swab etc.
Keys do not
respond
• Has the screen been
locked? → P162
Screen
response to
key press is
slow
• It might occur if a large
amount of data is saved in
this terminal or data with
extremely large size are
processed between this
terminal and microSD card.
docomo
mini UIM
card is not
recognized
• Is docomo mini UIM card
inserted in the right
direction?
→ P46
Symptom
Check item
Clock is
wrong
• Clock may become wrong if
the power has been turned
on for a long time.
Check whether "Automatic
date & time" of "Date &
time" in "Settings" is marked.
Turn it off and on at a place
with better radio signal.
Terminal
operation is
unstable
• Since Developer options
are designed for developers
only, setting some
options may hinder normal
operations of the terminal
or applications.
• An application that was
installed to this terminal
after purchasing may
be causing a problem. If
the problem improves by
starting in Safe mode, an
installed application needs
to be uninstalled to fix the
problem.
* Safe mode is a function
for starting up under
near-initial conditions.
263
Appendix / Index