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I have an iPhone that was dropped in water. Once the backlight level goes below a certain point, the screen is completely black/useless. I need to go in iFile or some other file system browsing software to set the brightness level to 80% or something high. I've looked around and found the backlight level for SB Settings but I'm not sure if that will work. Anybody know where that setting is?

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Well I got the phone working again. I found the "SBBacklightLevel2" property in "com.apple.springboard.plist". I set it to .9, rebooted the phone and the screen worked. I'd still like to know where the system brightness property is though. THanks! –  DontFretBrett May 28 '12 at 4:38
    
That's the file and property that you're looking for. I saw this question as was about to post exactly what you had already found, but then I saw your comment. –  Andrew Larsson May 29 '12 at 16:20
    
Oh ok, for some reason I was thinking the property I found was referring to a SBSettings property and not for the system. Thanks! –  DontFretBrett May 29 '12 at 17:25
    
No problem! (In fact, most SBSettings toggles directly modify values in system .plist's such as this.) –  Andrew Larsson May 29 '12 at 17:28
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migrated from superuser.com May 28 '12 at 4:16

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User > Library > Preferences. The property is called "SBBacklightLevel2" in the com.apple.springboard.plist file. Thanks @Andrew Larsson for the confirmation of this.

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