Appendix
127
For more details, contact the following
au Customer Support site on the au
homepage.
http://www.au.kddi.com/support/
mobile/trouble/repair
■ Notes on software update
•
You are charged for data
communication when connecting to the
Internet from the product by using
packet communication. We recommend
using a wireless LAN (Wi-Fi
®
).
•
Information charges for updating
software are free of charge.
Display
illumination
turns off too
quickly.
•
If you do not perform
any operation for a
certain period of
time, the screen will
automatically go
blank to save the
battery power (sleep
mode).
P.85
Cannot hear
the other
party.
•
Is the receiver
volume at the
lowest level?
•
Are you covering the
earpiece with your
ear? Make sure that
the earpiece is
placed at the center
of your ear.
P.68
P.69
Updating software
Symptom
Where to check
Ref.
page
Summary of Contents for J BATTERFLY HTV31
Page 102: ...Basic operations 100 ...
Page 112: ...au災害対策 au Disaster Countermeasure app 110 ...
Page 113: ...111 Calling Making calls 112 Receiving calls 115 Checking your own phone number 116 ...
Page 119: ...117 Function settings Displaying the Settings menu 118 ...
Page 124: ...Function settings 122 ...
Page 151: ...Appendix 149 ...
Page 159: ...Appendix 157 ...