Phones Key » Samsung Phones » Galaxy S3 problems?

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: I'm on my second S3 as my first one died from a board failure. I've had this one for about a month now and I'm having issues with it. The problem is the phone will randomly shut off and lose power. Sometimes, when I do manage to get it turned back on, it will say the phone is nearly dead even though I just got done fully charging it minutes before the phone turns off. I initially thought it was a battery issue since the battery that Sprint gave me wasn't in good shape and eventually swelled up. I took that battery back and they gave me a new battery (it's an official Samsung battery) and the issue still persists, but the battery is in good shape.



Also starting within the past week when this issue happens, the phone will sometimes refuse to turn on for hours and either turn off again seconds after powering on, go black right past the first Samsung screen or freeze at the Samsung screen. I tried a factory reset with no luck and then took the phone apart to see if there was any damage done to the board (I worked in a phone repair shop so I know what to look for). The board didn't have any visible or burn marks which makes me think there is a factory defect with it. Has anybody else had this issue and is there a way to fix it.

Screenshots of the battery issue I was talking about:
https://dl.dropboxusercontent.com/u/53519307/2014-05-31%2021.13.13.png
https://dl.dropboxusercontent.com/u/53519307/2014-05-31%2021.13.25.png

It's rooted but I know that's not the problem
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