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Backlight
Allows you to set backlight duration,
selecting from the following options.
Item
Default Value
Main
screen
duration
10 seconds
20 seconds
30 seconds
60 seconds
Note:
The longer the backlight is on for,
the more battery power is used and you
may need to charge your phone more
often.
Handset theme
You can set the theme of display.
Summary of Contents for U990
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Page 113: ...Setting menu ...
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Page 140: ...Ambient Temperatures Normal 55 C charging 45 C ...
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