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■ Screen
Symptom
The display is
• Is the screen timeout set
dim
short? → P187
• Has the screen brightness
been adjusted? → P187
• Is the battery level low? →
P52
• Has the battery saver been
set? → P202
■ Sound
Symptom
During a
• Adjust the call volume with
voice call,
the volume key. → P107
the other
party's voice
is difficult to
hear or is too
loud
Check item
Check item
■ Mail
Symptom
Mail is not
• On the mail account
received
setting, is checking
automatically.
frequency for the reception
tray set to manual
checking?
■ Camera
Symptom
Photos and
• Check whether the lens are
videos shot
cloudy or have dirt on it.
with the
camera are
blurred
Check item
Check item
Appendix
245
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