[Q] Bricked? Note 8 GT-N5110 stuck on boot loop - Galaxy Note 8.0 (Tablet) Q&A, Help & Troubleshooti

Hi all,
I've looked through several of the existing threads on the Note 8 and I've not gotten anywhere yet. I had the device happily rooted and working for months and then, stupid me, I used ROM manager to flash a new ROM this morning and on boot, it's stuck on the logo.
I CAN get to the recovery menu, but reset to factory default does nothing. I have wiped the cache from recovery and then tried to factory reset again; still stuck on logo at boot.
I can also get to download mode and have tried using KIES 2.6 (since KIES 3 is for Android 4.4.2 and up) and every time I try to do the update firmware/recovery, it starts, stops and says 'there is a problem with the download file' and then it quits.
I have tried using ODIN 3.7 and a few different recovery files but although it will say 'passed', on reboot, it's stuck on the logo.
Can someone help me, please? This is the only tablet I own and I really need it to not be a door stop
:crying:

not bricked yet, maybe. for now, try to download latest firmware from sammobile.com for n5110 and use odin to flash it.
about the factory reset of course it would still boot loop, you are trying to factory reset a bootlooped rom so it doesnt matter. you should flash a new zip through recovery.

Mr.201 said:
not bricked yet, maybe. for now, try to download latest firmware from sammobile.com for n5110 and use odin to flash it.
about the factory reset of course it would still boot loop, you are trying to factory reset a bootlooped rom so it doesnt matter. you should flash a new zip through recovery.
Click to expand...
Click to collapse
Hi Mr.201,
Thank you for the suggestion. Question, when you say download the latest firmware, will it matter if I don't use the original? I ask because I've been trying to find the original firmware (stock) and while I've found many sites with GT-N5110 FW's, they are all coded for other countries; I can't seem to find one for US. So, if I use a newer firmware, will that work?
I can still get to recovery mode and download mode. I don't know if USB debugging is on, though, which I hope won't matter at this point. I can't remember if it was on when it died on me.
I appreciate your advice! Hopefully, I can get this thing going again. That would certainly make me a happy camper!

For some reason, the US version is labelled as "Cellular South" but in general, any 5110 rom will work, although there are some quirks with wifi frequencies between the North American and European roms.

My Note 8 got stuck in a boot loop. It was rooted/custom recovery/custom ROM. I tried some of things you did, and nothing worked. I ended up downloading and installing the ODIN one click recovery/un-rooted stock image from this thread:
http://forum.xda-developers.com/showthread.php?t=2773712
This restores everything to stock (including the recovery). After flashing, it was still stuck in the boot loop. I booted into the factory recovery, and did a data wipe. After doing that, my note is working now. So ... doing this might be worth a try.

May I make a suggestion when flashing firmware... If you are flashing to something notreviously installed on the device. First flash with philz recovery and perform a full wipe for flashing new ROM. This way everything is clean for your flash to work properly.
A factory reset is not going to work as well for the new flash to take.

Related

Someone help me? Possibly bricked.

I have been trying to find an answer for the last several hours. But I can't seem to get anything to work.
I have the AT&T GS3 and I was able to flash AOKP but then I wanted to revert back to stock. I tried the toolkit and followed the steps and what might of happened is that AOKP did not get wiped completely when I flashed the stock image. Now after successfully flashing the stock image (I get the PASS! on Odin), my phone is stuck while booting. It goes past the AT&T boot image but gets stuck on "SAMSUNG". I tries flashing through ODIN, another downloaded version of the stock image but it didn't work. What am I doing wrong?
Another problem with being stuck in bootloop is that since I flashed the stock image; I think I no longer have CWM. I can't find a way to get to recovery.
I'm not really sure how to help but if you can get to the boot animations you aren't bricked. I know you're not on verizon but in this thread: http://forum.xda-developers.com/showthread.php?t=1759642 it says when coming from an AOSP rom back to the stock rom you have to flash a stock boot.img before flashing the stock rom. Hope you can get it working again
Did you make a nandroid backup before you flashed the Rom...if you did you can restore from cwm recovery...hold power, volume up, and home...after the screen goes black let go of the power...hope this helps
Sent from my SAMSUNG-SGH-I747 using xda app-developers app
If you can get into download mode , just flash recovery from odin.
And how long have you waited at samsung logo , it might take few minutes to bootup.
I don't have CWM recovery. It got stuck on the Samsung logo for 20 minutes before I gave up and did a battery pull.
What do I flash through odin to get it working again. Which recovery file?
Ok, I just used the method described in this article and I am still stuck at the SAMSUNG logo.
http://www.androidegis.com/how-to/unbrcik-your-us-samsung-galaxy-s3-how-to/
http://forum.xda-developers.com/showthread.php?t=1727443
Tried that. Still same problem. Noticed that the boot-stock-att-sgh-i7.tar is only 10.5 mb. I don't know much about this, but is that tar file enough to get me unbricked?
usually the .tar file should be much larger than that. It's possible that the file you downloaded got corrupted. Try re downloading the file and than flashing it again.
Sent from my SCH-I535 using xda premium
If you look in the mediafire link inside ths artivle, you will notice that the download is only 10 mb
http://forum.xda-developers.com/showthread.php?t=1727443
try this
VJKotts said:
I have been trying to find an answer for the last several hours. But I can't seem to get anything to work.
I have the AT&T GS3 and I was able to flash AOKP but then I wanted to revert back to stock. I tried the toolkit and followed the steps and what might of happened is that AOKP did not get wiped completely when I flashed the stock image. Now after successfully flashing the stock image (I get the PASS! on Odin), my phone is stuck while booting. It goes past the AT&T boot image but gets stuck on "SAMSUNG". I tries flashing through ODIN, another downloaded version of the stock image but it didn't work. What am I doing wrong?
Click to expand...
Click to collapse
Get into download mode
clear cache option
factory reset phone option
That should fix it
CC
How do you factory reset/clear cache in download mode?
VJKotts said:
How do you factory reset/clear cache in download mode?
Click to expand...
Click to collapse
just re flash stock in odin flash Flash this file http://forum.xda-developers.com/showthread.php?t=1737848

soft bricked my phone

Merry Christmas everyone. I tried to resolve this issue my self but was unable to. I had stock 4.3 rooted and flashed MOAR. MD5 matched. Everything seemed ok but when I flashed, it was stuck on "updating apps" for over 20 min. I did a battery pull. My phone started and I was able to go to TWRP recovery. I did a cache wipe and factory reset with plans of reflashing but everything was gone, including my nandroid. I tried to flash stock firmware from http://samsung-updates.com/ it said "failed". I cannot get back into TWRP. Is there any way I can restore to 4.1.2? Or 4.3? I just want to get the phone working again. Ideally I would like to get root back but my main priority is obviously just to get the phone working. Thank you.
jeppuda said:
Merry Christmas everyone. I tried to resolve this issue my self but was unable to. I had stock 4.3 rooted and flashed MOAR. MD5 matched. Everything seemed ok but when I flashed, it was stuck on "updating apps" for over 20 min. I did a battery pull. My phone started and I was able to go to TWRP recovery. I did a cache wipe and factory reset with plans of reflashing but everything was gone, including my nandroid. I tried to flash stock firmwa.
Click to expand...
Click to collapse
I had a similar bad expreience with updating my rooted S3,
to recover your phone try to get md5 recovery room and install it using odin, try to get the one that called recovery (runs stock 4.0.4) then you can update by Kies to 4.3.
If stock means the Samsung update you need to flash the 4.3 firmware. If stock means the de-Knoxed version from here, I would start by flashing a new recovery image then reinstalling the de-Knoxed one.
Can you not get into any recovery at all?
mjkubba said:
I had a similar bad expreience with updating my rooted S3,
to recover your phone try to get md5 recovery room and install it using odin, try to get the one that called recovery (runs stock 4.0.4) then you can update by Kies to 4.3.
Click to expand...
Click to collapse
MD5 recovery room (or rom I googled both)? I could not find it. I'm sorry i have never done this before...could you post the link for it?
Kevets said:
If stock means the Samsung update you need to flash the 4.3 firmware. If stock means the de-Knoxed version from here, I would start by flashing a new recovery image then reinstalling the de-Knoxed one.
Can you not get into any recovery at all?
Click to expand...
Click to collapse
When I press the volume up, home and power button it says "firmware upgrade encountered an issue. Please select recovery mode in kies and try again."
I installed the de-knoxed version..I would like to go back to the de-knoxed version if possible. Is there a way to flash new recovery image through ODIN...again, I'm not very confident in my abilities right now and don't want to flash anything to make it worse. Would it be possible to send me a link with what to flash. Thank you
Sorry I meant rom not room, but youv still can get it from the dev "room" forums. I got it from there.
sorry I cant post links here yet, i dont have the enough posts, but google "unroot sprint galaxy s3" it's one of he first links and once you get the md5 file you can use it with Odin, it's a simple process.
fixed it
Fixed it, got to keep root also. Flashed a new recovery image through ODIN (link for recovery in case anyone else needs it: http://forum.xda-developers.com/showthread.php?p=38079994). Then flashed ROM. Thanks for your help guys.

[Q] Bricked my I747 - Please Help?

Hello,
I'm sure there are many threads on about what I'm about to asked but I am a noob and I don't know what to do!!
I tried to flash cm11 to my I747 last night but it failed. So I tried to flash my recovery and it failed at first but second time around it was successful. Only thing is that when it booted, it got stuck on AT&T splash. I left it for about 15-20 minutes but nothing happened. Wasn't sure if my screen was going to burn the image so I turned it off and removed the battery. I have been doing research on how to recover but I want to make sure I do everything correct so I can at least go back to stock.
If there is anyone out there that can please give me some help I would greatly appreciate it!
Thanks!!
Is this fixable?
loc626 said:
Hello,
I'm sure there are many threads on about what I'm about to asked but I am a noob and I don't know what to do!!
I tried to flash cm11 to my I747 last night but it failed. So I tried to flash my recovery and it failed at first but second time around it was successful. Only thing is that when it booted, it got stuck on AT&T splash. I left it for about 15-20 minutes but nothing happened. Wasn't sure if my screen was going to burn the image so I turned it off and removed the battery. I have been doing research on how to recover but I want to make sure I do everything correct so I can at least go back to stock.
If there is anyone out there that can please give me some help I would greatly appreciate it!
Thanks!!
Is this fixable?
Click to expand...
Click to collapse
\
Yeah. Should be fixable. First, can you try booting to recovery and doing a wipe/reset? I presume you have custom recovery? If this doesn't work, then you can try flashing a complete compatible stock restore image via recovery to get the phone working or flash a custom ROM? What Android version were you on prior to the attempt to flash CM? This would let us know what stock version to revert to.
I was running 4.3 before trying to flash the custom rom. I tried flash the stock rom last night using Odin, but it the flash failed on me twice. I also noticed that the micro sd I had in my cell is now completely dead. When I plug it into my pc it does not show up. I think it still shows up in recovery but it doesnt seem to be working. Im worried about sticking another card in and for some unknown reason it going dead too.
I only found a flash for 4.1.1 as far as stock rom goes.
loc626 said:
I was running 4.3 before trying to flash the custom rom. I tried flash the stock rom last night using Odin, but it the flash failed on me twice. I also noticed that the micro sd I had in my cell is now completely dead. When I plug it into my pc it does not show up. I think it still shows up in recovery but it doesnt seem to be working. Im worried about sticking another card in and for some unknown reason it going dead too.
I only found a flash for 4.1.1 as far as stock rom goes.
Click to expand...
Click to collapse
If you were already on 4.3, please do not try to flash 4.1.1 now otherwise you could risk bricking your phone. If you tried doing the hard wipe/reset via (custom) recovery and this did not work, you can try flashing a complete stock restore image via recovery. See the instructions in the following thread ....
http://forum.xda-developers.com/showthread.php?t=2658486
Unfortunately, you would need to load the stock restore zip to a (micro) SD card. Unless you are able to save files to your phone, there is no other way. Once you have the restore zip ready, boot your phone to recovery mode and flash. You can revert to a custom ROM once your phone is back to working normally.
I had this problem TeamWin Recovery. I put Philz recover on there and it worked fine. You will probably have to ADB philz recovery to your phone, if you chose to try Philz. This is what worked when I rooted my girlfriend's phone.
An easy way to install Philz Touch recovery would be to download and install the latest tar version for the d2lte and flash it via Odin.
http://goo.im/devs/philz_touch/CWM_Advanced_Edition/d2lte
Thanks to everyone for your help and solutions.
My co-worker, who flashed my root and recovery, was able to get it back to 4.3 stock. Unfortunately, the backup that he made before rooting did not work in recovery [twrp]. So I lost all my pics from the last two months since getting my phone.
As sad as I was that I couldn't recover the pics, I am happy to have my phone back to normal+root.
I'm not sure, but maybe it bricked from trying to flash cm11 thru twrp?! Can't really say, but the recovery did not go thru either.... It went thru "successfully" but after I would reboot then it would stay on ATT splash.
Oh well... all is good now. I will steer away from custom roms for now and wait until the 4.4 update comes out for my i747. Or if i get another phone later on, I can use the s3 as a lab rat.
Again, thanks to everyone!

[Q] Soft Bricked my i747- HELP!

So I was able to root phone on w/o issue. I installed CWM via play store then proceeded to attempted to load Cyanogen mod via zip..and oh yeah I didn't wipe phone prior so....Now I have infinite loop issue at boot. I've searched the interwebs looking for any way to get back to stock or anything so I'll be able to use the phone again but have come up short every time. I've tried using ODIN to flash stock image but that fails. I've tried various .tar, .tz and anything else that odin will load w/o success. Will anyone take pity on my stupid ass and lens a hand?
exarkun631 said:
So I was able to root phone on w/o issue. I installed CWM via play store then proceeded to attempted to load Cyanogen mod via zip..and oh yeah I didn't wipe phone prior so....Now I have infinite loop issue at boot. I've searched the interwebs looking for any way to get back to stock or anything so I'll be able to use the phone again but have come up short every time. I've tried using ODIN to flash stock image but that fails. I've tried various .tar, .tz and anything else that odin will load w/o success. Will anyone take pity on my stupid ass and lens a hand?
Click to expand...
Click to collapse
Are you able to boot in recovery? (volume up + home + power). You could wipe and try flashing again (the first boot does take a while).
As for Odin, make sure you're using the right image (.tar) if recovery doesn't work.
Here's a little Odin guide: [ODIN] Desktop ODIN ver 3.07 for use with Samsung Galaxy S III
yeah I tried that
BWolf56 said:
Are you able to boot in recovery? (volume up + home + power). You could wipe and try flashing again (the first boot does take a while).
As for Odin, make sure you're using the right image (.tar) if recovery doesn't work.
Here's a little Odin guide: [ODIN] Desktop ODIN ver 3.07 for use with Samsung Galaxy S III
Click to expand...
Click to collapse
So I am able to boot into recovery but it's the stock recovery, not the one I intalled after root.
I've tried flashing stock images, custom images, CWM, TWRP, .TARs all w/o success. In ODIN I've flashed CWM and TWRP and it reports success but upon reboot it goes back to stock recovery and shows now 13 attempts to load custom firmware. I even tried to use Cyanogen,s windows app but even that gets stuck saying it can't communicate w/device. I've tried several driver, hiemdal, (which I can't figure out). What I'd like to do wipe EVERYTHING, like format the phone but I can't seem to remove the Samsung boot loader. Is my phone beyond repair? I'm super bummed, esp since I'm not a total noob when it comes to custom ROMs. I dropped greenpoison on my fist iPhone and had several ROMs on my old Moto Atrix. I think whatever evil Samsiung put on this device is totally screwing me.
exarkun631 said:
So I've tried flashing stock images, custom images, CWM, TWRP, .TARs all w/o success. In ODIN I've flashed CWM and TWRP and it reports success but upon reboot it goes back to stock recovery and shows now 13 attempts to load custom firmware. I even tried to use Cyanogen,s windows app but even that gets stuck saying it can't communicate w/device. I've tried several driver, hiemdal, (which I can't figure out). What I'd like to do wipe EVERYTHING, like format the phone but I can't seem to remove the Samsung boot loader. Is my phone beyond repair? I'm super bummed, esp since I'm not a total noob when it comes to custom ROMs. I dropped greenpoison on my fist iPhone and had several ROMs on my old Moto Atrix. I think whatever evil Samsiung put on this device is totally screwing me.
Click to expand...
Click to collapse
Try with a different stock image (debloated if you want a smaller download).
Also, Heimdall installs its own drivers, therefor Odin won't work on the same usb port you've installed Heimdall on.
Even in stock recovery, you should be able to do a factory reset (I think). Chances are that your ROM is corrupted atm though, you can try doing a factory reset and attempt boot. If that doesn't work, go the Odin way.
Bootloaders are not something to play with, it's the only way to hard-brick your phone (and you definitively don't wanna remove those nor stop Odin while it's flashing them, if the .tar contains them).
what about...
BWolf56 said:
Try with a different stock image (debloated if you want a smaller download).
Also, Heimdall installs its own drivers, therefor Odin won't work on the same usb port you've installed Heimdall on.
Even in stock recovery, you should be able to do a factory reset (I think). Chances are that your ROM is corrupted atm though, you can try doing a factory reset and attempt boot. If that doesn't work, go the Odin way.
Bootloaders are not something to play with, it's the only way to hard-brick your phone (and you definitively don't wanna remove those nor stop Odin while it's flashing them, if the .tar contains them).
Click to expand...
Click to collapse
I updated the phone via ota to latest android (4.3 ?). And I think the stock image I tried using was 4.1.x. Could it be I need to find a stock 4.3.x image from at&t? Any idea where to get this? I don't think AT&T provides ythis as that is where I got the previous stock image.
exarkun631 said:
I updated the phone via ota to latest android (4.3 ?). And I think the stock image I tried using was 4.1.x. Could it be I need to find a stock 4.3.x image from at&t? Any idea where to get this? I don't think AT&T provides ythis as that is where I got the previous stock image.
Click to expand...
Click to collapse
Can you check if the image you used had bootloaders? Cause if so, you might have bricked your phone. You can't downgrade bootloaders from 4.3.
The image can be found here or on sammobile.com
Strange
So after flashing my i747 30x via ODIN w/various .tar for boot and recoveries I was briefly able to boot into CWM. Stupidly, I selected the format option and foolishly restarted, intending to boot back into CWM and flash a .zip image. Once I restarted I was locked out of CWM again and can only boot into stock recovery once again. What am I doing wrong? I just can't wrap my head around why every time I flash a custom recovery like CWM or TWRP or Philz's_Touch in OdIn and it reports success, when I restart it just loads Samsung's ****ty stock recovery. I still can't flash a ROM via ODIN but I'm hoping if I can get back into CWM I'll be able to load a new ROM and use my phone again. Anyhelp would be great.
BWolf56 said:
Can you check if the image you used had bootloaders? Cause if so, you might have bricked your phone. You can't downgrade bootloaders from 4.3.
The image can be found here or on sammobile.com
Click to expand...
Click to collapse
lol
exarkun631 said:
So after flashing my i747 30x via ODIN w/various .tar for boot and recoveries I was briefly able to boot into CWM. Stupidly, I selected the format option and foolishly restarted, intending to boot back into CWM and flash a .zip image. Once I restarted I was locked out of CWM again and can only boot into stock recovery once again. What am I doing wrong? I just can't wrap my head around why every time I flash a custom recovery like CWM or TWRP or Philz's_Touch in OdIn and it reports success, when I restart it just loads Samsung's ****ty stock recovery. I still can't flash a ROM via ODIN but I'm hoping if I can get back into CWM I'll be able to load a new ROM and use my phone again. Anyhelp would be great.
Click to expand...
Click to collapse
So I think I figured out what I did wrong. Recovery mode = pwr+home+VolUp...Download mode = Pwr+home+VolDown. What an a$$hole I am, I thought Download mode and Recovery were one in the same and flashing TWRP or CWM would replace download mode. Once I figured out that one it was a simple matter to boot into recovery and wipe the drive then flash my rom (Omni 4.4.2 D2att) IDK if it's the rom or all the screwing around I did but it now takes no less than 10 min to boot into android from rom splash. Tried updating Kernel to latest but found it didn't fix problem.
exarkun631 said:
So I think I figured out what I did wrong. Recovery mode = pwr+home+VolUp...Download mode = Pwr+home+VolDown. What an a$$hole I am, I thought Download mode and Recovery were one in the same and flashing TWRP or CWM would replace download mode. Once I figured out that one it was a simple matter to boot into recovery and wipe the drive then flash my rom (Omni 4.4.2 D2att) IDK if it's the rom or all the screwing around I did but it now takes no less than 10 min to boot into android from rom splash. Tried updating Kernel to latest but found it didn't fix problem.
Click to expand...
Click to collapse
Did you do a clean flash? Sounds like you didn't factory reset.
Make sure you backup your apps before doing so if you wanna keep your app data.

Error RP SWREV A3 - Constant rebooting - Unable to reinstall rom

Hi there, yesterday I updated some play store apps and a while later the tablet rebooted, it does it constantly. That is all I did in the past few months, I haven't installed a newer rom for a few months.
In Download mode, I see an error I haven't seen before: RP SWREV A3. I was on Resurrection Remix 5.7.4 (android 6). I tried re-flashing the rom from TWRP but I think it reboots before it completes flashing. I tried flashing with ODIN Stock 4.4 and 5.1.1, it finishes installing but it keeps rebooting at the Samsung logo. I don't what to do since I didn't do anything except update my apps... Please help
Here is the recovery.log:http://pastebin.com/raw/Kt5SDECf
Hey mate
That isn't fun but when I have installed stock Rom's via Odin I too have been stuck in the logo. Usually if you then go into recovery and wipe cache and do a factory reset it usually solves the issue, I would assume you have done this, if not give it a go. Be patient sometimes it does stay on the logo for a few minutes whilst it provisions the ROM, best of luck.
kypreo said:
Hey mate
That isn't fun but when I have installed stock Rom's via Odin I too have been stuck in the logo. Usually if you then go into recovery and wipe cache and do a factory reset it usually solves the issue, I would assume you have done this, if not give it a go. Be patient sometimes it does stay on the logo for a few minutes whilst it provisions the ROM, best of luck.
Click to expand...
Click to collapse
I have no idea what else to do, this my last_kmesg and my dmesg and the recovery.log if any one knows please help, the tablet switches off during install in TWRP and `adb`. I get the Error `RP SWREV A3` in Download mode.
malim20 said:
I have no idea what else to do, this my last_kmesg and my dmesg and the recovery.log if any one knows please help, the tablet switches off during install in TWRP and `adb`. I get the Error `RP SWREV A3` in Download mode.
Click to expand...
Click to collapse
You haven't stated if you get the error flashing a stock ROM, irrespective I have found some info on other forums and Google, see below:
https://forum.xda-developers.com/showthread.php?t=2671068
http://forums.androidcentral.com/t-...elp-please-odin-mode-bootloader-rp-swrev.html
https://www.sammobile.com/forum/showthread.php?t=14425
http://www.ultratechy.com/stuck-on-downloading-do-not-turn-off-target-problem/
https://www.tapatalk.com/topic/3392...hing-phone-that-boots-into-download-mode-only
I think you should try a stock firmware and I think it a bootloader issue which you can get past with your original stock ROM. What was the last factory ROM you had 4.4.2 or 5.1.1? Download a stock ROM and flash with an Odin version above 3, good luck.
kypreo said:
You haven't stated if you get the error flashing a stock ROM, irrespective I have found some info on other forums and Google, see below:
https://forum.xda-developers.com/showthread.php?t=2671068
http://forums.androidcentral.com/t-...elp-please-odin-mode-bootloader-rp-swrev.html
https://www.sammobile.com/forum/showthread.php?t=14425
http://www.ultratechy.com/stuck-on-downloading-do-not-turn-off-target-problem/
https://www.tapatalk.com/topic/3392...hing-phone-that-boots-into-download-mode-only
I think you should try a stock firmware and I think it a bootloader issue which you can get past with your original stock ROM. What was the last factory ROM you had 4.4.2 or 5.1.1? Download a stock ROM and flash with an Odin version above 3, good luck.
Click to expand...
Click to collapse
Thanks for your reply,
With a stock Rom, I am able to install completely with ODIN but it still keeps on rebooting, I installed 4.4 and 5.1.1 from my region and other regions, even the last stock one I installed (ODIN doesn't fail, in fact it shows that it installed correctly). Through Recovery, it switches off before the install is complete, and then it keeps rebooting just like when I try with a stock Rom
malim20 said:
Thanks for your reply,
With a stock Rom, I am able to install completely with ODIN but it still keeps on rebooting, I installed 4.4 and 5.1.1 from my region and other regions, even the last stock one I installed (ODIN doesn't fail, in fact it shows that it installed correctly). Through Recovery, it switches off before the install is complete, and then it keeps rebooting just like when I try with a stock Rom
Click to expand...
Click to collapse
Mate on the stock ROM you say it keeps rebooting, can you bring up recovery? If so you can wipe cache and do a factory default, this may resolve the issue, Failing that if you can get TWRP on it you can try and wipe all files from the system internal storage. Then try and install the stock ROM and try and load it from there.
I think in ODIN too you can wipe the partitions, you can also try that as a last resort.
You can also wipe away the entire internal storage file system in the advanced system settings and start from new with a custom ROM and install these off the SD card.
Good luck

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