Note 4 sudden death,restarting. - Galaxy Note 4 Q&A, Help & Troubleshooting

I reverted to stock firmware,even though it restarts freezes,and screen wont respond at all,even after downloading updates it wont restart it just dies and sleeps,sometimes when i lock the device it wont turn on again,sometimes it restarts.
when i pull battery and starts device it sometimes boots to odin : failed to boot mode , and some times mmc :read failed,after repeated attempts it starts again, and this cycle continues once again,what is the cause? i tried taking out sim and memory card still issue persists,any help is highly appreciated.

Bro Try odin to flash 5.0 lolipop
marshmallow wont working properly on note 4
6.0 have many issue like freez imei null rebooy etc

Maheshzx said:
I reverted to stock firmware,even though it restarts freezes,and screen wont respond at all,even after downloading updates it wont restart it just dies and sleeps,sometimes when i lock the device it wont turn on again,sometimes it restarts.
when i pull battery and starts device it sometimes boots to odin : failed to boot mode , and some times mmc :read failed,after repeated attempts it starts again, and this cycle continues once again,what is the cause? i tried taking out sim and memory card still issue persists,any help is highly appreciated.
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http://forum.xda-developers.com/note-4/help/note-4-issues-t3453048

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I'm using a snapdragon n10g note 4. Whenever I finish flashing any android 6.0 ROM(with factory reset and everything) I get the following problems:
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Hello,
my Galaxy S4 got soft bricked recently and I am looking for a solution for 5 days now and now I decided to ask you guys for help since I can't find anyone with the same problem.
I had Albe95 LolliROM 9.0 (15/05/16) [HPA1] flashed on my phone for about 3 weeks and everything was perfect.
I was using my phone when it suddenly restarted itself and it got stuck in a bootloop (SAMSUNG animation). After many attempts I could boot into recovery (TWRP) but it would freeze there and I had to remove the battery...
I could also boot into Download Mode so I decided to flash a stock rom (I9505XXUHOJ2_I9505OXAHOJ2_I9505XXUHOJ2_HOME.tar) which I downloaded from Sammobile. Odin would always stuck at system.img.ext4 but again after many attempts it workted and I had success. When it was booting my phone froze at "optimizing apps". So I had to turn it off and restart again, but this time the phone was always freezing at the first samsung logo and wouldn't go further.
I can still go into Download mode but can't flash anything because eather Odin fails (complete(write) operation failed) or my phone freezes. Sometimes when I boot my phone into Download Mode the screen would do strange things like flickering and weird colors would show in DL Mode.
So my problem:
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The model # in download mode is 9505? Was the phone ever dropped? You're using the original Samsung USB cable to flash?
audit13 said:
The model # in download mode is 9505? Was the phone ever dropped? You're using the original Samsung USB cable to flash?
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Thanks for the reply.
-yes modelnr is 9505.
-i have not dropped my phone recently. I mean its over 3 years old so of course I've dropped it but never really bad and it has no scratches or anything.
-I've tried different cables and samsung cable was one of them.
I also tried all ports of my laptop even tried another pc
Maybe flash the stock rom with a pit file?
audit13 said:
Maybe flash the stock rom with a pit file?
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Click to collapse
I didn't try this pit file thing because I don't understand the meaning of it exactly..
But after many many Odin flash attempts I got a success with a stock rom 5.0.1.
I think I figured out what the problem is but I can't really tell why it's happening (Hardware broken maybe, but which one?)
So after the flashing the stock rom successfully the phone restarted and started the first boot but it froze during the samsung animation again...
I thought maybe if I try a lot of times eventually it will work, so I tried and tried and it always got stuck at samsung animation. (before every boot I had to remove the battery and wait ca 10 sec because otherwise the phone would not start booting at all)
I did not come further than the samsung animation so I removed the battery and placed the phone (I almost gave up).
But after one hour I tried again and this time it passed the samsung animation and got to the Optimization part of the apps. aaaaand it froze there again.
I thought maybe if I wait again for 1 hour I can pass the optimization part. So I did and it really worked. I got to the startscreen.
So the current problem is:
- The phone boots and makes it to the homescreen and freezes after ca 10 seconds. And also I have to wait for about half an hour or one hour to get that far. If I try again right after the freezing I can't get passed the Samsung logo.
What could cause this freezing? Maybe the cpu has to "cool down" in the one hour of waiting and freezes because it gets to hot? I really don't know what it could be.
Something on the motherboard, likely either CPU, EMMC chip, or GPU, is failing. Why or how I don't know, but I'd have a tech look at it.

Phone Crashing after Samsung Logo

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Flash the latest Firmware using Odin by following this Tutorial step by step. Read everything at least once before you start the process!
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