
Troubleshooting (FAQ)
When You Have Any Trouble
• First of all, check if the software needs to be updated. If
update is necessary, update the software (
Z
• If the symptom does not improve after taking actions listed
in the check item, feel free to contact "Repairs" (
Z
repair counter specified by DOCOMO.
The "Repairs" counter is available in Japanese only.
■
Power supply
Symptom
Check item
Cannot turn this
mobile phone on
• Make sure that the battery pack is
installed properly (
Z
• Check if the battery has run out (
Z
The screen is
unresponsive,
and the power
cannot be turned
off
• If the screen is unresponsive, or if you
cannot turn off the power, press and
hold
H
for at least 10 seconds to forcibly
turn the power of the mobile phone off.
*Note that because this operation
forcibly turns the power off, data or
settings might be lost.
■
Charging
Symptom
Check item
Cannot charge
(Charging
indicator does not
light, or
temperature icon/
charge failure
icon appears in
the status bar)
• Make sure that the battery pack is
installed properly (
Z
• When using the wireless charger, make
sure that you use the dedicated AC
adapter.
• Make sure that the power plug or the
connector of the dedicated AC adapter is
securely inserted into the outlet socket or
wireless charger (
Z
• Make sure that there is no foreign
objects between wireless charger and
this mobile phone.
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Appendix