Galaxy tab 3 8.0 won't charge and turn on

Dan4o

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May 24, 2021
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Hi, my Galaxy tab stop charging and won't start.
I open it and disconnect and reconnect the battery but the problem still exist.

Also I try hold power button (30 and 60sec) , power + volume up, power + volume up + home

Again with no effect.
So Is there any other way to fix it ?

P.S. when I disconnect the battery I charged it with charger connect directly to red and black (+ and -) cable to 4.2 V. So the battery is charged.

I connected it in tablet and the voltage is 4.18 ,when press power button voltage drop a little to 4.16 but again won't start .
 

Golfdriver97

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Dec 4, 2012
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Welcome to the forums. The device itself is roughly 7 years old. It's possible that this is more than a battery issue. The storage chip may have been corrupted. If that happened there might be no way to turn it on.
 

mustang7757

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Feb 6, 2017
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Is there chance to turn it on If I change the battery with a new one ?
Hi, welcome to AC!
Getting a new battery you can try but dont forget that those sitting on the shelf going have battery degradation even purchased as new .
 

Dan4o

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May 24, 2021
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I spoke with one battery shop and ask can I bring the tablet to test it with a new one battery and if it start I will buyed it. They say Yes ,so today will see is it from the battery .