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원문 게시자: Bob ,

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I have what seems to be a similar problem with my iPhone 6S, and coincidentally just posted a question about it.  I find that with mine, if I disconnect the battery and then reconnect it, the backlight will come back on for a short time, but then it will go black again.  I can verify that it is a backlight problem by shining a flashlight on the screen.  Have you tried disconnecting / reconnecting the battery to see if it comes back on?   I’ve read several posts that suggest a bad backlight is due to a fuse being blown, but it doesn’t seem like it would work for a while after disconnecting/reconnecting the battery if it were really a fuse.   I might try putting back in the original factory battery and seeing if that helps, but I’m trying to see if I can find any additional information before going through that effort.

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