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Can someone please help me? I've tried but can't figure this out

Iv85

Newbie
I have a Sprint Galaxy S3... I for one can't get the drivers to recognize the device in my pc. However I've rooted it using Kingroot. And I've flashed cm 12.1 phone worked great for a couple months. I recently flashed cm 13 and the stick gaaps 6.0 package worked great for a couple weeks. But now I'm experiencing my phone is cutting off sometimes not booting and I haven't done anything different. When it does boot up it'll stay on for a few mins and then go to the reboot screen. I've done a factory reset cleared cache and davlik I can't figure this out or keep my phone on long enough to reap up on anything and teenagers can't go longer than 5 mins without their phones any help would be me much appreciated.
 
Cm13 is very unstable. Are you using the unofficial cm13 by lrs121? He has put out a few updates, have you updated? There is also an unofficial aicp 11 (based on cm13). You might be running a very broken build of cm13.
 
Madbat first off than you so much for responding didn't think anyone would. Not sure who the maker of the cm version I have is.... However I wiped and went back to cm 12.1 and it's still doing the same thing. Not sure why it's doing this. Like right now it's staying on and I'm able to type this bit I'm site in a few mins it'll go to the reboot screen black out or stay over have you heart of this and what can I do to fix it if ice fine factory reset and everything?
 
Well if its doing it across different roms, it may be a hardware problem. Did you say the reboot menu comes on? It sounds like your power button is messed up. Is it in a case that may be pressing the power button?
Is your s3 a triband? You can tell if the model number ends in t.
If not, to rule out software, I would recommend using odin to flash the stock nj2 tar.
Make sure you have all important data backed up.
I would never recommend kingroot, it sends your phone info to Chinese servers. All you need for root is to use odin to flash a tar of twrp. Done.
nj2 stock .tar
twrp recovery
Get the newest twrp .tar file. Should be at the top.
After flashing the stock nj2 tar, you will be completely stock. Then, using odin, flash twrp. pull battery when its done flashing twrp, put it back in and boot recovery (hold power+home+volume up)
Select reboot/system. It should ask to fix root, swipe yes. You will then be stock rooted. If your reboot problem persists, then it is likely a hardware issue. I can't really help you there. Let me know how it goes or if you have any questions/problems.

Also, I would stay away from cm13 right now. It's not stable enough yet. A good ROM is PAC lollipop. It's what I'm using right now. I can get you a link if you want. Make sure to use gapps for the right version of Android; I.e.; 5.1 gapps for 5.1 roms, 6.0.x gapps for 6.0.x roms. I'm sure you know that, but I try to be thorough.

PAC ROM
 
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Mad bat so I'm already running trwp and im hoping it's not a hardware issue. So currently I'm trying to keep it on so i can charge it. So hopefully i can tell whether it's triband or not. ..don't think it is but don't want to swear to it. The king root yeah i know i researched that but because when i plug my phone to my pc it doesn't recognize it i got desperate. So i cant use Odin bit maybe mobile Odin? The .Tar file that is hereis that to be flashed to fix firmware? If you hangouts would you be willing to help me. ..just throwing that out there thx again Madbat...talk to you soon hopefully
 
Don't use mobile odin. Regular odin should work. Are you putting the phone in download mode?
You can see your model number under your battery.
The nj2 tar I linked is the entire stock firmware, that way everything is new. Then you can rule out software problems.
There is an app called flashfire by chainfire. It is the successor to mobile odin. It won't show up in the playstore for you until you accept beta test. Just Google flashfire, it will take you to the site. Just click on beta test or something like that. Then the link on the page will take you to the play store to get it. It will flash .tar files like odin. But those type of apps (mobile odin/ flashfire) are quirky. Better off getting odin to work. Just install Samsung drivers, launch odin, put phone in download mode and plug in. To get download mode, from powered off, hold power+home+volume down. If it still doesn't recognize, try a different cable or a different port.
And I gave you instructions to install twrp because flashing the nj2 stock tar will put you 100% stock, including stock recovery.
You can get the Samsung USB drivers here
Just install on your PC.
 
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