Settings
Function menu
Page
Sound/vibration/
notif.
Mode settings
Volume
Ringtone/notification
General
Notification
Wallpaper/
display
Standby screen
Brightness
Screen timeout
Font settings
VeilView
Relax View
Sub display
Security
Security key setting
Screen lock
Restrict calls
Secrecy settings
Set up SIM card lock
Unknown sources
Advanced settings
Troubleshooting (FAQ)
If your handset requires
z
troubleshooting, you can perform a diagnostic yourself.
For details, refer to the NTT DOCOMO website.
(
https://www.nttdocomo.co.jp/support/trouble/repair/
(in Japanese only)
)
z
Check whether the software update is required. If it is
required, update the software (
☞
P. 194"Updating
z
If there is no improvement on the problems even after
checking the following items, feel free to contact the
number listed in "Troubleshooting & Repairs" (in
Japanese only) on the last page or a repair counter
that DOCOMO specifies.
Power
z
The handset is not turned on
y
Is the battery pack installed correctly?
☞
y
Make sure the battery has not run out.
☞
z
The screen does not respond or the handset cannot be
turned off
y
You can turn the power off forcibly by pressing
H
for at least 8 seconds.
* Note that data, contents you have set, etc. may
be deleted since the power is turned off forcibly.
184
Appendix/Index