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Appendix/Index
Troubleshooting (FAQs)
Trouble shooting
• First, check whether software update is
required. If so, update the software (Software
Update → P237).
• If it does not improve after confirming the
check items, contact "Technical Inquiries &
Repairs" (in Japanese only) on the back cover
of this manual or a repair counter specified by
mobile operator.
■ Power supply
Symptom
Power does
• Is the battery dead?
not turn on
→ P45
Check item
Symptom
The screen
• When the screen is frozen
freezes/The
or the power cannot be
cell phone
turned off, you can press
cannot be
and hold the power key and
turned off.
volume key (down) for 9
seconds or longer to force
restart the cell phone.
* Note that some data and
settings may be erased
due to force-restart
operation.
Check item
Appendix/Index
221
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