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[Q] Please help phone won't turn on after flash

I unlocked bootloader and rooted a couple of days ago. Phone was running smooth. I downloaded and installed cwm. Today I downloaded Bean's Build 14 and tried to install through cwm. When it rebooted I got stuck on the Samsung screen. I tried to flash back to original settings with Odin but now my phone won't turn on at all. I am charging but no battery indicator or led is on to indicate charging. Please help.

Try leaving it plugged in for an hour, and then trying. Also might want to try leaving the battery out for 30 min and trying again. If you are unable to get any response from the phone, then it is likely hard bricked. The only thing that can save it at that point is sending it in for JTAG repair. That service starts at $60.

JHomrig said:
I unlocked bootloader and rooted a couple of days ago. Phone was running smooth. I downloaded and installed cwm. Today I downloaded Bean's Build 14 and tried to install through cwm. When it rebooted I got stuck on the Samsung screen. I tried to flash back to original settings with Odin but now my phone won't turn on at all. I am charging but no battery indicator or led is on to indicate charging. Please help.
Click to expand...
Click to collapse
How did you unlock the bootloader? using EZ-Unlock? Also did you make a nandroid before you flashed? If so try booting into CWM using VOL+ Home and Power and restore your nandroid and see if that works.

My S7 Duos is totally unresponsive, black screen but blue LED is on

I had my phone just sitting on a wireless charger this morning and had been there for about 15-30 minutes. I noticed it was rebooting, odd I thought? I took it off and then realized it was going into a boot loop. I gave it a soft reset and then it would turn on and stay on for about 10 seconds before boot looping again. I again gave it a soft reset after a couple loops and now it seems to totally dead, as the title implies.
No button combination has worked and I've held them all down for well over 30 seconds each. I've tried plugging it into my PC and haven't gotten any response that way. The blue LED is on so I know it's not dead...I think? To make matters worse, I bought this phone off Craigslist about 5 months ago and it's the Exynos version so I definitely can't get any kind of warranty on it. I'm hoping someone has had this problem and can help or just has some advice. Thanks everyone.
EDIT: To keep this updated, I have been able to get into Odin Mode and have tried to flash stock firmware. Odin says everything went fine but the phone hangs up at the Samsung Galaxy S7 logo. I'm unable to boot into recovery mode and I've even tried to reinstall TWRP with Odin and that has not worked.

Seen the LED only problem before, waiting for the battery to drain and the phone to turn off seems to be the only known cure atm
Once it does, connect the charger for 15 mins, then boot directly into recovery and clear caches to try fix the bootloop, possible it may need factory resetting / clean flash of stock ROM
Using the MicroUSB > USB white adapter, you may be able to connect a power hungry USB peripheral to the phone to drain the battery faster, I use a USB desktop fan, but some people report it not working when it is stuck in this LED loop and have just had to wait it out

Thanks for that advice, I'll let it drain over night. However, I have been able to get it to boot into Odin Mode and Odin v.3 recognized it. I flashed the stock firmware but upon rebooting nothing happened and now it gets stuck at the Samsung logo screen. I can still get it back into Odin mode, which I believe will be the fastest way to kill the battery, but I find it odd that I can get into that but not recovery? I am rooted and have TWRP installed, if that matters at all.

If you can get into Download (ODIN) mode, then letting the battery drain probably won't help, that only seems to help when the phone is completely stuck with nothing but the LED working
Make sure you flash CSC (Not HOME_CSC) along with the other 3 sections of the ROM, using ODIN 3.12.3, that should factory reset the phone after the flash
If you successfully flashed stock with ODIN already, you are no longer rooted and do not have TWRP installed, flashing stock with ODIN replaces all that with stock

I updated Odin and once again tried to flash the 4 parts, making sure I used the right CSC file, but I'm still getting hung up at the Samsung Galaxy S7 logo. Do you have a suggestion as to which region's firmware I should use? I have been trying the Australia one from SamMobile's site.
EDIT: And to clarify, I have the G930FD(the duos one).

jonny727272 said:
I updated Odin and once again tried to flash the 4 parts, making sure I used the right CSC file, but I'm still getting hung up at the Samsung Galaxy S7 logo. Do you have a suggestion as to which region's firmware I should use? I have been trying the Australia one from SamMobile's site.
EDIT: And to clarify, I have the G930FD(the duos one).
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Click to collapse
Any region would work, and the F firmware works for the FD too

Samsung S6 stuck on Samsung Logo after flashing stock rom

Hi Guys,
So the issue seems to be straightforward and I read many threads about it, but none of them actually solve my problem.
My S6 is locked to Orange Poland (which is currently running 6.0.1 Android). I wanted to flash unbranded Marshmallow rom but that did not go well and in the process of flashing Odin returned an error (Complete(Write) operation failed). That's the way my phone became bricked. I tried to reflash this rom several times (while changing ODIN versions and also I tried single AP as well as 4 files + PIT). None of this worked. So I decided to go back to the branded rom—exactly the same as it was before.
Odin this time didn't show any fail messages and the phone actually started booting up. And here is my problem, it is stuck on the Samsung logo. I tried going to recovery mode, wipe cache and then factory reset but it still cannot go through Samsung logo.
My phone was never rooted. I have up to date samsung usb drivers. I tried SmartSwitch but it fails to recover the phone every time.
Do you kind people have any ideas?

Hi again,
Just a quick update from me. I finally managed to revive my phone. It seems that the bootloop was caused by the low battery (actually 0%, while being connected to PC). Once I charged the phone to 100%, it miraculously booted up and went to the setup wizard. I have no idea if the low battery had an effect on it, but once I charged it, the phone started to work properly.
In the end, I flashed back the stock rom with Orange Poland brand. The rom consisted of 4 files + PIT file. I used Odin3_v3.12.3.
Maybe this will help someone

axapies said:
Hi again,
Just a quick update from me. I finally managed to revive my phone. It seems that the bootloop was caused by the low battery (actually 0%, while being connected to PC). Once I charged the phone to 100%, it miraculously booted up and went to the setup wizard. I have no idea if the low battery had an effect on it, but once I charged it, the phone started to work properly.
In the end, I flashed back the stock rom with Orange Poland brand. The rom consisted of 4 files + PIT file. I used Odin3_v3.12.3.
Maybe this will help someone
Click to expand...
Click to collapse
Thats why you should always charge your phone to at least 70% before doing any flash :good:

S6 is not starting anymore (no recovery mode anymore)

Hello,
since 6 years I am always flashing my own Phones.
About 5 Months ago I flashed the S8 Noble Port to my Phone and it worked really well but Yesterday my
Phone turned off (The Phone was not in useas it happened, just in near) and then it tried to boot.
I thought my battery is down and tried charging it. Die Phone is starting to the first Galaxy S6 Logo and freezes.
I can turn it of with the 3 buttons but its always stucking there.
So I tried entering the TWRP -> No Chance
I flashed new TWRP via Odin -> Same Problem (No Recovery - Enter)
Finally I flashed the Stock-Rom -> Same Problem (Freeze and no way to enter Recovery)
I might think something inside my phone died yesterday
Someone know what kind of hardware problem this can be?

ExiizZ said:
Hello,
since 6 years I am always flashing my own Phones.
About 5 Months ago I flashed the S8 Noble Port to my Phone and it worked really well but Yesterday my
Phone turned off (The Phone was not in useas it happened, just in near) and then it tried to boot.
I thought my battery is down and tried charging it. Die Phone is starting to the first Galaxy S6 Logo and freezes.
I can turn it of with the 3 buttons but its always stucking there.
So I tried entering the TWRP -> No Chance
I flashed new TWRP via Odin -> Same Problem (No Recovery - Enter)
Finally I flashed the Stock-Rom -> Same Problem (Freeze and no way to enter Recovery)
I might think something inside my phone died yesterday
Someone know what kind of hardware problem this can be?
Click to expand...
Click to collapse
Frp lock on?

012512 said:
Frp lock on?
Click to expand...
Click to collapse
FRP lock is off

ExiizZ said:
Hello,
since 6 years I am always flashing my own Phones.
About 5 Months ago I flashed the S8 Noble Port to my Phone and it worked really well but Yesterday my
Phone turned off (The Phone was not in useas it happened, just in near) and then it tried to boot.
I thought my battery is down and tried charging it. Die Phone is starting to the first Galaxy S6 Logo and freezes.
I can turn it of with the 3 buttons but its always stucking there.
So I tried entering the TWRP -> No Chance
I flashed new TWRP via Odin -> Same Problem (No Recovery - Enter)
Finally I flashed the Stock-Rom -> Same Problem (Freeze and no way to enter Recovery)
I might think something inside my phone died yesterday
Someone know what kind of hardware problem this can be?
Click to expand...
Click to collapse
______________________________________
Tried Samsung Kies? Are you able to get into download mode?

Use Odin to flash the entire system again.
It will flash original recovery, kernel, rom and other stuff.
After that flash twap again.
Download the files from samobile.

stuck on home screen

Good morning,
For the past few days my a51 has been stuck on the 'samsung galaxy a51' home screen.
I only have access to download mode.
I flashed the stock rom 11 then then 12. Nothing to do.
I do not know what to do !

toto6976 said:
Good morning,
For the past few days my a51 has been stuck on the 'samsung galaxy a51' home screen.
I only have access to download mode.
I flashed the stock rom 11 then then 12. Nothing to do.
I do not know what to do !
Click to expand...
Click to collapse
What was going on with the phone before you flashed the ROM?
Did you wipe the cache, did you reset the phone, what firmware is currently on the phone?
Write more specific details, because it's hard to help.

Good evening,
I did nothing on the smartphone before the problem. I put it on my desk. a few days later I got it back with the charging logo and the little lightning bolt. I thought the battery was off. I put it in charge. Stuck on charging screen. Then a few hours later on the home screen. I tried the recovery but I can't access it. I only have access to download mode.
I flashed this rom stock android 12
A515FXXS5FVI2_A515FOXM5FVH1_SFR.zip

toto6976 said:
(...) I tried the recovery but I can't access it. (...)
Click to expand...
Click to collapse
Do you do it this way?
How to Hard Reset Samsung Galaxy A51 NEW PATCH!!​

Hi
I'll try.
Could it be the battery that suddenly failed?

Good morning,
I tried the manipulation indicated in your link: impossible to arrive on the flash; I always reboot on the home screen