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Help Phone randomly Shutsoff

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xkronicx

Newbie
Hey for some reason my Galaxy s3 keeps on shutting off by itself. I am wondering why is it doing this. I tried to root it awhile back but never could get it to work this was probably about 3 months ago. And i am now just starting to get random shut downs. And when this happens I have to put my phone on the charger in order to keep it on and working.

I have tired a Factory Reset and a Hard reset threw the recovery and it still does this. I am wondering what is my problem?
 
So you have multiple batteries? You said you have to put your phone on the charger for it to stay on and working.
 
hatredg0d said:
So you have multiple batteries? You said you have to put your phone on the charger for it to stay on and working.
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No I only have one battery. My brother has a S3 and i tired out his battery in my phone and it did the same thing.
Yeah I have to keep my phone on the charger in order for it to work and sometimes when it charges to 100% it will stay on for a little without the charger. I also notice when it does shut off randomly it wont turn back on it will just boot the Samsung logo and shut back off.
 
I had the same thing start happening after the Kit Kat update. I did a hard reset, and it still happens, just much less frequently. I also called AT&T and Samsung to alert them to the issue, but who knows if they cared.
 
ardyer said:
I had the same thing start happening after the Kit Kat update. I did a hard reset, and it still happens, just much less frequently. I also called AT&T and Samsung to alert them to the issue, but who knows if they cared.
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I just bought a new Motherboard off Ebay and going to put that in and call it a day. Because i cant figure out what is wrong.
 
So you fixed it? I was just going to suggest checking the battery terminals in the phone and make sure that they are making a good connection with the battery. Maybe the battery was moving a little and the contacts would lose connection.
 
mydian said:
So you fixed it? I was just going to suggest checking the battery terminals in the phone and make sure that they are making a good connection with the battery. Maybe the battery was moving a little and the contacts would lose connection.
Click to expand...

The battery is fine. I have changed battery's and it still does this.
 
xkronicx said:
The battery is fine. I have changed battery's and it still does this.
Click to expand...

And if the battery terminals aren't making good connection like suggested then simply changing to a different battery that still wouldn't make good connection wouldn't fix a thing.
 
I had a similar problem, It didn't matter what I was doing with my phone, in my pocket or actually using it, it would shut off and get stuck in a boot loop randomly. I took it into a repair shop seeing as Samsung were about as helpful as throwing a drowning man both ends of the rope.
The shop said it was most likely the main board giving up the ghost, luckily I was covered by the Samsung warranty so they replaced the phone for free.
 
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