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[Q] Galaxy s3 won't turn on

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CrimsonParadox
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Question [Q] Galaxy s3 won't turn on

I was charging my phone on my computer and I was using an app until suddenly my phone just shut off. I tried to turn it back on but it would only vibrate and stay on the black screen. I tried the battery out for like 5 minutes and put it back in. I put it back in my computer and then it vibrated a few times. It turned on for a good three minutes and then it shut off again. I remembered usually when I charge my phone it would vibrate until I hold the power button and the Samsung symbol would pop up, but now it keeps vibrating and it won't turn on even if I hold the power button. It would only work for a good two minutes if I take out the battery, put it back in my phone, and charge it in my computer. Help?
 
DocHoliday77
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Its not supposed to turn on if its plugged in. You have to unplug it, then turn it on and plug back in.
If you plug into a regular wall charger when off, does the battery pic come on for a few seconds?
How old is the battery? They dont last forever and yours sounds like it may be at eol.

Try letting it charge off the wall charger while off for an hour. Then see if itll run longer.

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