Why did my phone get a Grey screen with colorful lines?

Question

BLU Dash 5.5

An Android 4.2 smartphone released July 1, 2014.

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First of turned grey while I was charging it and then about a few hours later.. I started seeing colorful lines

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是否

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sporn1012 @sporn1012 声誉积分: 1 · Answer 1 · 2016-11-08T17:57:01-07:00

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cant tell with out a seeing it but my guess is Daydream. Go to setting /display/daydream

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是否

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