Why does my tablet blinks?

FlexSealNathan

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Nov 17, 2018
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This is a different case than the others, My old samsung tablet was no longer usable, as if it was stuck in the samsung logo.

My brother gave me his samsung galaxy tab 3 and it has alot of problems (note: flex seal cant fix it)

The tablet blinks, like how human blinks, It turns black for a millisecond, and that stair like thingy near the wifi logo at the top of your device will turn to a slashed circle

And then after a second (it depends on what time) it will drain