Symptom
Check item
Calls are not
connected
(The out of
service area
icon does not
disappear
when you
move, or
calls cannot
be made or
received even
when the
radio wave
is strong
enough)
• Turn the power off and on,
or remove and reinsert the
battery or miniUIM.
• Make or receive calls,
depending on the type of
radio signal, even in the
service area or even when
strong signal is indicated
with 4 wave-level bars .
Move to another place and
call again.
• Depending on how
congested the radio waves
are, it may be difficult to
establish a connection in
crowded places due to a
congestion of calls and
emails. In this case, the
caller hears a busy tone.
Move to another place or
call again later.
■ Screen
Symptom
Check item
The display
is dim
• Has the screen backlight
timeout been set? → P129
• Has the screen brightness
been adjusted? → P129
• Is the battery level low?
→ P34
■ Sound
Symptom
Check item
During a voice
call, the other
party's voice
is difficult to
hear or is too
loud
• Has the call volume
adjusted with the volume
key? → P93
Symptom
Check item
Email is not
received
automatically
• Check if "Manual" is set in
"Retrieve interval" in the
account settings. Be sure
to set it to the method other
than "Manual". → P113
235
Appendix / Index