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Symptom
Power turns
off or restart
automatically
Keys do not
respond
Screen
response to key
press is slow
The UIM is not
recognized
Clock is wrong
210
Appendix / Index
Check item
• 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, for
example, a dry cotton swab.
• Has the screen been locked?
→ P40
• It might occur if a large amount
of data is saved in terminal or
data with extremely large size
are processed between the
terminal and microSD card.
• Is the UIM inserted in the right
direction? → P31
• Clock may become wrong if the
power has been turned on for a
long time.
Check whether "Automatic" of
"Date & time" in "Settings" is
checked. Turn it on again at a
place with better radio signal.
Symptom
Terminal
• An application that was installed
operation is
to the terminal after purchasing
unstable
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.
• Method for starting in Safe
mode
1. While in the power OFF
status, press the power key.
2. After the docomo logo
appears, keep touching the
appears.
* When Safe mode starts, "Safe
mode" appears on the bottom
left of the screen.
* To stop Safe mode, turn the
power OFF once and restart it.
• Before starting Safe mode,
backup necessary data.
Check item
key until the Home screen
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