Samsung Galaxy S2 Stuck on boot screem - Galaxy S II Q&A, Help & Troubleshooting

hey guys!
So I have had my phone for about 3 month, and today I had decided that I should see if they're any firmware updates since I had not checked in a while. So I did a search in my settings and it said I need to update so I did so. So it downloaded and it seemed to install but when it went to reboot, it just stayed on the boot screen.
I went into recover mode and set it back to factory settings, but still had no luck. Any ideas what to do as plan b?

Give it a few minutes (5-10 Mins) for the first time after updating... It may seem locked up but usually its not the case... After the first boot.. It will boot normally again....
If truly not working suggest downloading latest firmware package for your model and try flashing via odin
hope that helps^^
Sent from my SHW-M250K using XDA App

http://forum.xda-developers.com/showthread.php?t=1108499
jje

nah I had no luck. I left it a good hour after the update and it still did it.
Is it possible to find the official firmware online?

alexbrugs said:
nah I had no luck. I left it a good hour after the update and it still did it.
Is it possible to find the official firmware online?
Click to expand...
Click to collapse
Branded Provider roms post dev section
Stock Samsung roms .
Stock Roms .and csc
http://forum.xda-developers.com/showthread.php?t=1075278
jje

Help out...Samsung galaxy can't boot
Hello Guys,
I am not sure whether I am putting right question in the right place or not? I hope you guys don't mind and apologize me as my mind not working due to my foolish act trying to fly even without wings.....
Here is the story
I got my galaxy s2 I9100 a week ago. I tried to go for root. for this I did it using Odin v1.85. My firmware KH5 as its not available here I tried a related one say KH4. I followed all instructions carefully. Successfully brought in download mode. selected the download mode. connected with odin and browse the PDA .tar file. my mobile was recognized by yellow indicating and I starting. It showed the process running and also showed yellow bar turning in green saying "Pass". But soon mobile stucked at boot page and a yellow triangle appeared. Now I realized I made something wrong in eager of rooting. I tried other .tar files like KH1, KH3 and even KF- etc. But same problem. I tried to solve it by bringing recovery mode but It can't go to recover mode even. Now I can only go to download mode can try flashing via odin but can't get my mobile ahead of boot logo. Please helppppppppppppppppppppppppppp

@ habeebrasheed,
Flash stock firmware from Intratech thread via Odin with phone in download mode.
Then you will have a working phone and can start fresh.
Sent from my GT-I9100 using xda premium

Thanks anyway
@UpInTheAir
Thank you for the suggestion
I have submitted it as the warranty still void ... lets see if they do it or reject straigh forward. Thank you. I will sure keep in mind your solution,
Thankssssssssssssssssssss

Related

[Q] Frozen at the Samsung splash screen after running Odin

So I tried to use odin to root my device. I was following a guide on youtube but XDA won't let me post it. I got to where I run odin while my phone is in download mode. Everything goes according to the video, however, when the phone reboots it freezes at the Samsung splash screen with the yellow ! at the bottom. I've tried putting the phone back in download mode and running it through Odin again but the problem is not fixed. Does anyone know how I would go about fixing this?
Try restocking. If you repartitioned you may be in trouble. Go to cm7 website and follow their instructions.
Sent from my GT-P1000 using XDA App
I made sure the repartition option wasn't selected before I ran odin in both cases. I'm assuming by CM7 you mean cyanogenmod? Sorry for the ignorance, I just want to make sure I'm doing what I need to to get it back in working condition
Dont know why should you go to cm7 website.
Follow this: http://forum.xda-developers.com/showthread.php?t=1103399
use an appropriate kernel for your phone.
Or get a stock kernel and use odin to flash: http://forum.xda-developers.com/showthread.php?t=1075278
Still not working? Use this: http://forum.xda-developers.com/showthread.php?t=1108499
For Galaxy S 2 GT I9100
Totalrapture said:
I made sure the repartition option wasn't selected before I ran odin in both cases. I'm assuming by CM7 you mean cyanogenmod? Sorry for the ignorance, I just want to make sure I'm doing what I need to to get it back in working condition
Click to expand...
Click to collapse
I've got no idea what boxhead72 is going on about, but anyway, to be able to help you, we need to know what you've done. Generally, you need to make sure you're flashing a correct ROM/kernel/modem for your device. You also might need to reset to factory settings. But without knowing what you've done, it's impossible to say.
You can find stock ROMs and a guide for I9100 (if that is your phone's model) in Intratech's thread here: [ROM+Guide]Official i9100 Firmwares KG, KH1/2/3/4, KI1/2/3/4/8, KJ1/2 Download.
On the plus side, if you can get to the boot screen, you are far better off than those who get NOTHING. I know it doesn't make you feel that good right now, but if you can get this far, your chances of recovery (if you follow instructions) are near 100%.
If you told us that you get no response at all from the phone when the power button was pressed, you might have room to worry a bit.
Now, not so much. Just take a minute to breathe and read through your steps as outlined in the above mentioned threads. You'll be fine in all likelihood.
Okay, I did some more searching and realized I was on the completely wrong forum... I have the AT&T U.S. I777 Galaxy S2. So exactly what I did was install kies, close out of it, put my phone into download mode, connect it to my computer, install what I assume was an incorrect .tar file using Odin while it was in download mode, let it reboot and am now seeing it hang at the boots screen with the yellow exclamation mark. I wouldn't mind reformatting it if someone could show me how, but I mainly want to use this guide:
http://forum.xda-developers.com/showthread.php?t=1285894
to root it and install CM7. Could I just run odin again and install the .tar file given in these instructions? Or does it not quite work like that? Thanks for all the help you guys are giving by the way!
Totalrapture said:
Okay, I did some more searching and realized I was on the completely wrong forum... I have the AT&T U.S. I777 Galaxy S2. So exactly what I did was install kies, close out of it, put my phone into download mode, connect it to my computer, install what I assume was an incorrect .tar file using Odin while it was in download mode, let it reboot and am now seeing it hang at the boots screen with the yellow exclamation mark. I wouldn't mind reformatting it if someone could show me how, but I mainly want to use this guide:
http://forum.xda-developers.com/showthread.php?t=1285894
to root it and install CM7. Could I just run odin again and install the .tar file given in these instructions? Or does it not quite work like that? Thanks for all the help you guys are giving by the way!
Click to expand...
Click to collapse
I don't know anything about that phone, but a quick look in those forums shows:
[Heimdall][Odin][Stock][Root]UCKH7 Return/Unbrick to Stock (or Root)
and
[ROM] CyanogenMod 7 for the Samsung Galaxy S II (AT&T) :: V7.1.0 RC1 (9 Oct 2011)
Thanks for those, I was actually reading through them when I noticed you posted them. I have another problem now though, I ran the stock rom through odin in this guide:
http://forum.xda-developers.com/showthread.php?t=1286432
but it failed in Odin and upon reboot it says firmware upgrade encountered an issue. Please select recovery mode in Kies and try again. I didn't know kies had a recovery mode, but when I connect my phone it always fails to connect. Note that I CAN still get into the download menu, but that's it. At this point is there anything else I can do?
Totalrapture said:
it failed in Odin and upon reboot it says firmware upgrade encountered an issue. Please select recovery mode in Kies and try again. I didn't know kies had a recovery mode
Click to expand...
Click to collapse
I presume Kies recovery mode is in Kies -> Tools -> Emergency firmware recovery.
I noticed that as well but like I said I cannot connect to Kies so any recovery mode isn't very helpful
Totalrapture said:
At this point is there anything else I can do?
Click to expand...
Click to collapse
I guess if you've done everything on [Guide] How to Prepare Your Phone to Return to the Store or for Warranty Replacement (which is linked at the bottom of the thread I linked earlier), then your next port of call should be Recovering an ATT Galaxy S2 after flashing GT-I9100 Firmware.

[Q] Do we have any way to reinstall gingerbread 2.3.3 on my samsung galaxy S2 ?

I was trying to update my phone from gingerbread 2.3.3 to ice cream sandwich. but for some reason it did not go well, so i am all stuck. I tried so many things people suggested in here. Last thing i tried is to flash it with gingerbread firmware as explained in adroiddevicesdotcom. sorry its not letting me paste the full link of any third party website.
now i can see startup screen where it reaches up to big "S" sign with samsung galaxy 2 written at the bottom but its just looping at same screen.
Could anybody please suggest me what else i can try to install its original OS again.
Thanks,
If you need any other info please let me know
Use odin
I have tried odin to flash gingerbread firmware but still did't help, could you please send me the link where i can download the required files
i know how to use odin just looking for right file
Thanks for your reply
bindudhindsa said:
I have tried odin to flash gingerbread firmware but still did't help, could you please send me the link where i can download the required files
i know how to use odin just looking for right file
Thanks for your reply
Click to expand...
Click to collapse
You can find firmware here:www.sammobile.com
*coughs* Or funnily enough, you can find firmware here and here
Why are you even messing with ICS if you reallly have no idea what you are doing? Didn't you read?
Simple solution to boot loop is a factory reset. I have done this numerous times after flashing a new ROM. Works all the time.
Sent from my ThinkPad Tablet using XDA App
mattyh77 said:
Simple solution to boot loop is a factory reset. I have done this numerous times after flashing a new ROM. Works all the time.
Sent from my ThinkPad Tablet using XDA App
Click to expand...
Click to collapse
Works for many rom flashes and is always worth trying some just wont boot first time .
jje
I will try the firmware you guys provided and let you know. Any special instructions before i try this please let me know
I have already tried factory reset so many times but for some reason factory reset is not working.
Thanks a lot to all of you guys..
So you have a bootloop.... did you try the bootloop thread? lol
Want to make my SGS2 so that i can send it to Samsung
hello my problem is that i need a firmware and kernel version that i can send my SGS2 back to Samsung.
i want to set my SGS2 back to the moment when i bought it.
can me anyone send links etc. whit the firmware version and the other stuff(tutorials...)
thx
afura86 said:
hello my problem is that i need a firmware and kernel version that i can send my SGS2 back to Samsung.
i want to set my SGS2 back to the moment when i bought it.
can me anyone send links etc. whit the firmware version and the other stuff(tutorials...)
flash stock rom via Odin and how on earth can we tell what your firmware version is you pick one .
Stock Roms .and csc
http://forum.xda-developers.com/showthread.php?t=1075278
jje
Click to expand...
Click to collapse
it is my first flash in my life and on my SGS2 sorry.
hello as other members suggested i tried both files in the link thru odin to flash my samsung galaxy 2 . my network is bell canada so i installed both .tar files from the link. As per odin instructions i added first file in PDA section and second file in Phone section. but after pressing start its giving me fail error in odin after complete process. please suggest if i can try anything else
Sent from my GT-I9100M using XDA App
bindudhindsa said:
hello as other members suggested i tried both files in the link thru odin to flash my samsung galaxy 2 . my network is bell canada so i installed both .tar files from the link. As per odin instructions i added first file in PDA section and second file in Phone section. but after pressing start its giving me fail error in odin after complete process. please suggest if i can try anything else
Sent from my GT-I9100M using XDA App
Click to expand...
Click to collapse
Was the com box yellow and does ur pc recognise ur phone?
Sent from my GT-I9100
Yes the ComBOx turned yellow when i connected my phone with odin and yes my pc recognize my samsung , i was able to do it full process but only at end it showed FAIL.

Unexplained boot loop

Hi all, I hope you guys can help as I'm coming up blank here after days of trying to fix this.
First, yes I read this thread and a few people were reporting the same problem but the solution was always to flash a stock firmware with odin.
Right now my wife's phone is stuck in a boot loop, she doesn't do anything out of the ordinary with it, I rooted it when she first got it 3 months ago and then flashed a stock kernel to get rid of the yellow triangle and it has worked perfectly until last week when she told me it was stuck at the galaxy s2 logo. No problem I though, I'll just flash a stock rom with odin and all will be well.
Well it didn't work out that way, I've flashed the original firmware, an ICS leak, Villainrom 1.1 and XXKI3 multiple times, with and without pit file + re-partition. I've flashed the old bootloader and I've tried a few custom kernels as well, and multiple combinations of the above. Nothing is getting it past the boot loop. The only result I've had that is any different to how I started is with an ICS build I got a screen saying kernel panic upload (or something like that, I don't have that rom flashed at the moment). When I connect at this time odin recognises the phone so I guess it's in download mode.
I can't get into recovery mode so I can't do a factory reset, when I press vol-up, home and power I get a blank screen for a moment followed by the same boot loop. I can get into download mode and odin is reporting successful on every flash. When I flash a custom rom or kernel I get the yellow triangle, it goes away when I flash a stock rom or kernel.
According to my wife just before the crash android market reported updates available and she installed them. I don't know if that's related or not but she says when she went back to the phone it had hung so she turned off the phone, upon turning it on it was stuck in boot (the big animated purple S part of the boot) so she removed the battery and since then it doesn't get past the initial galaxy S2 screen, sometimes, depending on which kernel it's on, the galaxy screen goes blank for a second or two and then the logo comes back.
I've really tried everything I can think to try, warranty isn't really an option as I'm in Saudi Arabia and I've been told it will take 3 months to get the phone back, also I can't easily access a jig, I'd have to make one and I'm not too confident in my ability to do that.
If anyone has any ideas at this point please help, I can't think of anything else I can do here.
tl;dr random boot loop, tried flashing everything I can find, no recovery mode but download mode works fine, help!
davegene said:
If anyone has any ideas at this point please help, I can't think of anything else I can do here.
Click to expand...
Click to collapse
Flash a full wipe firmware and see if that helps, if you need one there is a link at the bottom of my insecure kernel thread.
Thanks Odia,
I just flashed the firmware at the bottom of your thread, I9100XWKE7_CL215725_REV02_user_low. Tried it twice for good measure.
Unfortunately nothing has changed on the phone, still can't get into recovery or past the galaxy s2 logo.
davegene said:
Thanks Odia,
I just flashed the firmware at the bottom of your thread, I9100XWKE7_CL215725_REV02_user_low. Tried it twice for good measure.
Unfortunately nothing has changed on the phone, still can't get into recovery or past the galaxy s2 logo.
Click to expand...
Click to collapse
Have you tried with repartition and update bootloader ticked?
I didn't tick either of those this time but I have ticked repartition with a different firmware that came with a pit file. Do I need a pit file or can I tick repartition without it?
Sent from my GT-I9100 using XDA App
davegene said:
I didn't tick either of those this time but I have ticked repartition with a different firmware that came with a pit file. Do I need a pit file or can I tick repartition without it?
Sent from my GT-I9100 using XDA App
Click to expand...
Click to collapse
You need a pit file, use the 1 from the other firmware.
Ok, I just tried XWKE7 again with a pit file with re-partition ticked. Also tried flashing the old bootloader again with update bootloader ticked.
No change I'm afraid.
davegene said:
Ok, I just tried XWKE7 again with a pit file with re-partition ticked. Also tried flashing the old bootloader again with update bootloader ticked.
No change I'm afraid.
Click to expand...
Click to collapse
Most strange, look like your off to service
That's most unfortunate, I'm in Saudi Arabia and they have quoted 3 months to get the phone back under warranty although in reality I'd be lucky to get it back at all.
Are my options really exhausted or is there anything extreme I can try?
I ended up making a jig and took it for warranty repair and they were able to do it locally, it only took a few days.
The curious thing is even though I repartitioned several times using two different pit files the sdcard partition was still intact.
I'm pretty sure I was doing it right and the yellow triangle was coming and going as I was flashing stock and custom kernels so the flashes were taking.
I don't speak Arabic so I couldn't ask how they fixed it but what do you think was the problem? I was very surprised to find the data intact, it even had the same stock ROM that I flashed before I took it for service still installed.
Anyway thanks for your help in this thread odia.
Sent from my GT-I9100 using xda premium
I'd love to know what they did.
Sent from my GT-I9100 using XDA App

[Q] Samsung Galaxy S2 won't boot. Recovery mode not accessible.

Hi all!
I have a Samsung Galaxy S2 which I since a week cannot start. It get stuck on the black/white samsung logo. I cannot enter recovery mode, nothing happens when releasing the power button after pressing volumeup+home+power buttons. I can however reach download mode. I'm not sure what caused this problem, one day I just couldn't start it. I read on forums that many similar problems seem to have occurred when upgrading android but I'm not sure this is the case here (unless the phone made an automatic update while I was asleep). I'm not sure what version of android I'm running, but I'm pretty sure it is at least the ICS.
I would like to hard reset my phone if possible. It seems to be easiest through the recovery mode which I cannot get into.. I read things about Odin, connecting the phone to the computer and downloading android to the phone but haven't quite grasped it. Could anyone explain this option for me or point me in the right direction? Are there other options?
I would appreciate any help, especially since my 1-year warranty expired a month ago!
Best regards,
Marcus
marlu873 said:
Hi all!
I have a Samsung Galaxy S2 which I since a week cannot start. It get stuck on the black/white samsung logo. I cannot enter recovery mode, nothing happens when releasing the power button after pressing volumeup+home+power buttons. I can however reach download mode. I'm not sure what caused this problem, one day I just couldn't start it. I read on forums that many similar problems seem to have occurred when upgrading android but I'm not sure this is the case here (unless the phone made an automatic update while I was asleep). I'm not sure what version of android I'm running, but I'm pretty sure it is at least the ICS.
I would like to hard reset my phone if possible. It seems to be easiest through the recovery mode which I cannot get into.. I read things about Odin, connecting the phone to the computer and downloading android to the phone but haven't quite grasped it. Could anyone explain this option for me or point me in the right direction? Are there other options?
I would appreciate any help, especially since my 1-year warranty expired a month ago!
Best regards,
Marcus
Click to expand...
Click to collapse
Sounds like the symptoms of a NAND RW corruption. Try this http://forum.xda-developers.com/showthread.php?t=1457458
Hi Marcus,
I had the same problem few days back.
If it's not broken by you trying something fancy, the best solution is to take it to service centre. If you have rooted your device, had installed some custom firmware or are not willing to visit the service centre for some other reason, please read ahead.
All I did was,
Installed USB connectivity drivers through Kies.
Installed ODIN 1.83
Ensured that Kies or any of its processes are not running in background.
Downloaded the official SGS2 firmware
Flashed the firmware through ODIN.
It took around 10 minutes for the full process and I was having my mobile up and running. Using ODIN sounds scary initially if you haven't used it. I have slowly started gaining confidence in it after using it a few times.
Please note that though the process is well proven to be safe, there is still an amount of risk involved.
Sent from my GT-I9100
Download a siyah kernel(like v4.0.1) .tar file and flash through odin.
See if that makes it boot/lets you into recovery.
Adarzannh said:
Sounds like the symptoms of a NAND RW corruption. Try this http://forum.xda-developers.com/showthread.php?t=1457458
Click to expand...
Click to collapse
I appreciate all of your answers!
Adarzannh: I tried the guide but when flashing using odin I get stuck on:
<ID:0/003> NAND Write Start!!
both when trying to flash the recovery package and the kernel. Any clues?
mananbdesai: where do I find the "official SGS2 firmware"?
theunderlining: is it enough just to flash a new kernel or do I afterwards need to flash ROM too?
marlu873 said:
Adarzannh: I tried the guide but when flashing using odin I get stuck on:
NAND Write Start!!
both when trying to flash the recovery package and the kernel. Any clues?
Click to expand...
Click to collapse
A couple of things..ensure KIES is not running on your computer in the background. If possible delete it completely. Also ensure your phone is connected to a USB port directly on the computer and not via a hub or to a USB port on a keyboard or something. Odin is a finicky s/w..so..
Also, try different versions. If v1.85 doesn't work try v3.4
marlu873 said:
mananbdesai: where do I find the "official SGS2 firmware"?
Click to expand...
Click to collapse
Go to sammobile.com or a sticky in the Original Android Development section here..has links to all the stock firmwares.
marlu873 said:
theunderlining: is it enough just to flash a new kernel or do I afterwards need to flash ROM too?
Click to expand...
Click to collapse
Lol at underlining. if you flash a custom kernel like siyah, you'll be rooted and get CWM. Using that you can install a custom ROM.
Sent from my GT-I9100 using xda app-developers app
And youll be safe from the 4.0.4 brickbug if you flash siyah.
You flash a kernel for various reasons like it has emmc cap disabled,you can tweak it etc.
You can flash siyah kernel and stop there.Or you can move onto a custom rom.
Whatever,when its done-backup your efs and make a nand backup.
And yesterday I was downgrading my wifes phone onto 4.0.3.I was using odin and kept getting "failed".After 3 attempts I realised I hadnt put the phone into download mode..........how stupids that......lol
hi there, just wondering, after Flashing the stock firmware through ODIN, do you lose everything in your phone? i need to get all the notes that I have in my phone (notes from the samsung stock apps). I dont have any external sd card in the phone. thanks in advance for the reply.
enquiry
marlu873 said:
Hi all!
I have a Samsung Galaxy S2 which I since a week cannot start. It get stuck on the black/white samsung logo. I cannot enter recovery mode, nothing happens when releasing the power button after pressing volumeup+home+power buttons. I can however reach download mode. I'm not sure what caused this problem, one day I just couldn't start it. I read on forums that many similar problems seem to have occurred when upgrading android but I'm not sure this is the case here (unless the phone made an automatic update while I was asleep). I'm not sure what version of android I'm running, but I'm pretty sure it is at least the ICS.
I would like to hard reset my phone if possible. It seems to be easiest through the recovery mode which I cannot get into.. I read things about Odin, connecting the phone to the computer and downloading android to the phone but haven't quite grasped it. Could anyone explain this option for me or point me in the right direction? Are there other options?
I would appreciate any help, especially since my 1-year warranty expired a month ago!
Best regards,
Marcus
Click to expand...
Click to collapse
Hi there sir,
Has the problem solved ? Care to share the solution ?
Thanks.
i had the same exact problem, i tried flashing with odin n stock firmware but stuck in NAND write start, i didnt try flashing with PIT & repartition though, i couldnt be bothered anymore, so i took it to samsung service plaza, they told me the problem is in the main PCB (hardware issue), so all they did was replace that n it got fixed! i didnt pay because it's still under contract/ carrier warranty
Can you get into downloading mode? It's by hold and pressing volume down+home+power
Sent from my GT-I9100 using xda premium
it seems for some strange reason the phone wont turn on now. Wheni plug it in i get the blue flashing dot but its faint. Tried download mode and nothing.
same problem
araz.rozh said:
Can you get into downloading mode? It's by hold and pressing volume down+home+power
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
my phone is stuck at the bootlogo too. but mine is rooted n running on biftor rom (jellybean) pls how do i flash with odin? thanks
help pls.
Pls guys I have the same problem but like I said earlier mine occurred while I waS tRyna backup my ROM. Plss can I get a detailed guide on how to flaSh my samsung galaxy SII GT19100. ItS verion; jelly bean 4.12.Its rooted n runs on a custom ROM( biftor). Plss guys help. Thank you.
tatchero said:
Pls guys I have the same problem but like I said earlier mine occurred while I waS tRyna backup my ROM. Plss can I get a detailed guide on how to flaSh my samsung galaxy SII GT19100. ItS verion; jelly bean 4.12.Its rooted n runs on a custom ROM( biftor). Plss guys help. Thank you.
Click to expand...
Click to collapse
I had a similar problem, stuck at boot with Biftor v12, which happened after I tried to update SuperSU binary through CWM/TWRP. I don't know why it stuck at boot and why it wouldn't reboot to Recovery. Download mode was still working, so I had no choice but to flash new kernel through ODIN and see if it works.
So if your symptoms sound similar to mine, here's what I did to be able to boot again:
I REPEAT, SIMILAR TO MINE. MY SOLUTION MIGHT NOT NECESSARILY APPLY TO YOURS.
1. Download a suitable kernel in tar.md5 format. I used PhilZ-cwm6 v4.93.6 for XWLSN firmware (see OP http://forum.xda-developers.com/showthread.php?t=1877270)
2. Download ODIN, if you don't have it, found here http://forum.xda-developers.com/showthread.php?t=2189539
3. Once installed, boot your phone in Download mode by pressing Vol Down+Home+Power together until you see a warning dialog. Press Vol UP to get into download mode.
4. Make sure ODIN is running, and NO KIES processes are running.
5. Connect your phone with USB cable to your PC.
6. In ODIN, you should see a COM port with yellow background.
7. Click the PDA button ONLY.
8. Select the kernel file you downloaded.
9. Press Start and nothing else.
10. If everything went as expected, your phone should reboot after a while with a working Recovery.
Only do the steps if you are absolutely sure. This worked for me, and I hope it gives some tips for your problem as well.
Flash-IS-Bright said:
I had a similar problem, stuck at boot with Biftor v12, which happened after I tried to update SuperSU binary through CWM/TWRP. I don't know why it stuck at boot and why it wouldn't reboot to Recovery. Download mode was still working, so I had no choice but to flash new kernel through ODIN and see if it works.
So if your symptoms sound similar to mine, here's what I did to be able to boot again:
I REPEAT, SIMILAR TO MINE. MY SOLUTION MIGHT NOT NECESSARILY APPLY TO YOURS.
1. Download a suitable kernel in tar.md5 format. I used PhilZ-cwm6 v4.93.6 for XWLSN firmware (see OP http://forum.xda-developers.com/showthread.php?t=1877270)
2. Download ODIN, if you don't have it, found here http://forum.xda-developers.com/showthread.php?t=2189539
3. Once installed, boot your phone in Download mode by pressing Vol Down+Home+Power together until you see a warning dialog. Press Vol UP to get into download mode.
4. Make sure ODIN is running, and NO KIES processes are running.
5. Connect your phone with USB cable to your PC.
6. In ODIN, you should see a COM port with yellow background.
7. Click the PDA button ONLY.
8. Select the kernel file you downloaded.
9. Press Start and nothing else.
10. If everything went as expected, your phone should reboot after a while with a working Recovery.
Only do the steps if you are absolutely sure. This worked for me, and I hope it gives some tips for your problem as well.
Click to expand...
Click to collapse
Hi Flash-IS-Bright
I have the exact same problem with SuperSU on my rooted Galaxy S2. I updated the SuperSU app, and when I opened it, it recommended me to update the binary, I selected the CWM/TWRP option and then my phone tried to reboot but is now stuck. It can only access download mode.
In doing the process above, you only flashed the kernel? Did this totally work? And all your apps/messages were left intact on your phone?
Any help is appreciated.
peshmann said:
Hi Flash-IS-Bright
I have the exact same problem with SuperSU on my rooted Galaxy S2. I updated the SuperSU app, and when I opened it, it recommended me to update the binary, I selected the CWM/TWRP option and then my phone tried to reboot but is now stuck. It can only access download mode.
In doing the process above, you only flashed the kernel? Did this totally work? And all your apps/messages were left intact on your phone?
Any help is appreciated.
Click to expand...
Click to collapse
when ur updating the binary u should always choose the 'Normal' thing instead of the 'CWM/TWRP' one ma8
if u flash a kernel it will not delete anything on ur phone, all u have to do is to select the right kernel like 'Philz' for example (if ur on a stock JB firmware) and flash the same through 'ODIN' and reboot ur phone
Sun90 said:
when ur updating the binary u should always choose the 'Normal' thing instead of the 'CWM/TWRP' one ma8
if u flash a kernel it will not delete anything on ur phone, all u have to do is to select the right kernel like 'Philz' for example (if ur on a stock JB firmware) and flash the same through 'ODIN' and reboot ur phone
Click to expand...
Click to collapse
Thanks for your help. I've originally had Jeboo 1.2 kernel on my phone and tried to reflash that again through Odin. It passed, however I'm still encountering the same problem of the bootloop.
Would flashing a different kernel help? I'm on stock JB firmware but with a Jeboo kernel. I am happy to try another kernel (if that would not brick my phone)
Do you have any other suggestions to help me solve this?
Again thanks for your help
peshmann said:
Thanks for your help. I've originally had Jeboo 1.2 kernel on my phone and tried to reflash that again through Odin. It passed, however I'm still encountering the same problem of the bootloop.
Would flashing a different kernel help? I'm on stock JB firmware but with a Jeboo kernel. I am happy to try another kernel (if that would not brick my phone)
Do you have any other suggestions to help me solve this?
Again thanks for your help
Click to expand...
Click to collapse
You could try flashing hawkerpaul's kernel wiper first and then install another stock kernel like PhilZ or Apollo, and see if that helps.
Neat Rom lite,suddenly struck in boot loop after 1 month of operation.
Dear All,
I have installed the "I9100XWLSZ_NeatROM_Lite_v5.0.1" custom rom and after 1 month of successful usage, today suddenly the phone was dead.(probably due to autoupdates over wifi) . I tried to reboot, but didnt. Tried to restart but got stuck in the logo screen with yellow triangle.
Tried to enter recovery mode, but no use. Only download mode is possible.
Tried to flash the stock rom using odin, but no use, Nand write failed.
Can somebody help me how to come out of this situation. Shall I install a different kernal and see?
Regards,
Maka11

Noobie needs help. Is it bricked?

Tried rooting last night, made the mistake of not turning off auto reboot in odin. My phone wont load into android though? At first I was getting the "there was an error while upgrading" but I flashed stock boot on there. I can get into download mode but when I hit the volume up it does not bring up the menu for restore/wipe.
Also, everytime I try to flash something onto the phone Odin says "Failed", However I was able to flash the file "boot-stock-tmobile-sgh-t999"
Oh yeah, tmobile t999 white version 16gb
PostMeridianLyf said:
Tried rooting last night, made the mistake of not turning off auto reboot in odin. My phone wont load into android though? At first I was getting the "there was an error while upgrading" but I flashed stock boot on there. I can get into download mode but when I hit the volume up it does not bring up the menu for restore/wipe.
Also, everytime I try to flash something onto the phone Odin says "Failed", However I was able to flash the file "boot-stock-tmobile-sgh-t999"
Oh yeah, tmobile t999 white version 16gb
Click to expand...
Click to collapse
Noobie in the wrong forum see sticky top of the page . Hope you are not trying to flash I9300 firmware .
jje
This board is for the I9300 only if you flashed anything from here yes you could have bricked, go to the right forum and post there.
Sent from my GT-I9300 using xda premium
Yeah I realized that after I posted and tried to edit but there is a post limit. But I got it taken care of.
Sent from my SGH-T999 using Tapatalk 2

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