S2 stuck at boot screen - AT&T Samsung Galaxy S II SGH-I777

Currently stuck at the "Samsung Galaxy S II" logo during boot and it won't go past that. I can't seem to get into recovery mode, but I can access download mode.
I was using Shostock v3.0.2 (latest) and the Jeboo 1.3b Kernel.
SuperSU had an update and I accidentally pressed "twrp/cwm" instead of "normal" which made my phone reboot and has been stuck at the Samsung logo at boot up since then. When going into download mode, it shows that the current binary is "Samsung Official".
Would I have to use Kies to restore the phone back to factory or is there any other workarounds to get it to work again?
Thanks in advance!

You don't have to use Kies, but since it won't boot into recovery, you will have to load stock firmware. Your options are Kies if it will restore the phone, or, since you can get into download mode, flash the stock firmware with Odin.
If it were me, I would flash 4.0.4 UCLL6 plus root from the development forum using Odin3 v1.85, and then install Mobile Odin lite or Mobile Odin pro, and flash one of the custom kernels that are linked in the OP of that thread. Then you can load and flash SHOstock 3.0.2 again if you want.

creepyncrawly said:
You don't have to use Kies, but since it won't boot into recovery, you will have to load stock firmware. Your options are Kies if it will restore the phone, or, since you can get into download mode, flash the stock firmware with Odin.
If it were me, I would flash 4.0.4 UCLL6 plus root from the development forum using Odin3 v1.85, and then install Mobile Odin lite or Mobile Odin pro, and flash one of the custom kernels that are linked in the OP of that thread. Then you can load and flash SHOstock 3.0.2 again if you want.
Click to expand...
Click to collapse
Alright I will try out your recommendation and let you guys know how it turns out. Thanks for the quick reply. :good:

Alright I was able to flash back to stock 4.0.4 using your thread/guide. Will flash a custom kernel now.

Back to SHOstock again!

I had the same thing happen to me today.
I had to clear the cache on the phone and factory reset it after installing the 4.0.4 UCLL6 from creepyncrawly's sig.
It took 5 minutes or so after I did that of it sitting at the AT&T logo before the phone came up.
It sucked.

Related

[Q] Why can't I root again?

Okay so I rooted my Note once using Odin and left one rom on it for months. I recently needed to take it into the service center due to a stretched out charging port so I downloaded and flashed the stock .tar via Odin, now I'm trying to reroot it again using the same Odin method I used the first time and my phone just gets stuck on the bootscreen. I've reflashed the stock .tar and tried reflashing the root 3-4 times now and nothing is changing. Could somebody let me know what I'm doing wrong? Is there another way to get my phone rooted again? I tried just installing superuser and rom manager thinking maybe it was already rooted and they didn't work. Thanks.
You should be first flashing CWM.
Then you can flash a rooted rom.
All you need is your phone in Download Mode (not recovery mode) and Odin3 ver 1.85 on your pc, then flash the CWM tar in odin's PDA slot.
As to your current problem, if you are GB you have to flash a GB rooted kernel. But possibly your phone is ICS now, so you have to flash a rooted ICS kernel.
rangercaptain said:
You should be first flashing CWM.
Then you can flash a rooted rom.
All you need is your phone in Download Mode (not recovery mode) and Odin3 ver 1.85 on your pc, then flash the CWM tar in odin's PDA slot.
As to your current problem, if you are GB you have to flash a GB rooted kernel. But possibly your phone is ICS now, so you have to flash a rooted ICS kernel.
Click to expand...
Click to collapse
Alright thanks I'll try that out, I was under the impression that I needed to root before I could use CWM, as to being on ICS, I don't think so seeing as I was rooted using the same rom for the past few months and haven't updated it, I didn't even know ICS had been officially released until today lol thanks for the info I'll try it out.

Phone not turning on after factory reset

Hi all,
I've been having a few issues with my S2 (Randomly resetting, freezing, etc) - so I decided to do a factory reset - but it hasn't worked.
When I turn my phone on, it wont go past the galaxy logo. I've tried holding down VOLUME UP, POWER, and HOME - but it doesn't boot it into recovery mode.
I've downloaded odin (the phone is rooted) and was told to download a new ROM and then use the PDA button on odin. But the only file type it expects is MD5, tar and SMD. Whenever I download a ROM, I just get a ZIP?
I'm probably being stupid. Could someone point me in the right direction? I don't care if I lose data, I just want the phone working.
Wazza26 said:
Hi all,
I've been having a few issues with my S2 (Randomly resetting, freezing, etc) - so I decided to do a factory reset - but it hasn't worked.
When I turn my phone on, it wont go past the galaxy logo. I've tried holding down VOLUME UP, POWER, and HOME - but it doesn't boot it into recovery mode.
I've downloaded odin (the phone is rooted) and was told to download a new ROM and then use the PDA button on odin. But the only file type it expects is MD5, tar and SMD. Whenever I download a ROM, I just get a ZIP?
I'm probably being stupid. Could someone point me in the right direction? I don't care if I lose data, I just want the phone working.
Click to expand...
Click to collapse
What ROM do you want to flash?
If it's a stock ROM, then extract the zip file and flash the contained tar/md5 file with Odin.
If it is a custom ROM and only provided as CWM-flashable zip file, then use a stock ROM to flash first and flash the custom ROM afterwards, when everything works again.
Here you can get the latest stock ROMs => http://forum.xda-developers.com/showthread.php?t=1544487, or pre-rooted stock ROMs from here => http://forum.xda-developers.com/showthread.php?t=1608071, or use Check Fus Downloader from here => http://fus.nanzen.se/ to check for the latest officiallly released firmware versions for your phone in your region and download it directly from Samsung servers.
It_ler said:
What ROM do you want to flash?
If it's a stock ROM, then extract the zip file and flash the contained tar/md5 file with Odin.
If it is a custom ROM and only provided as CWM-flashable zip file, then use a stock ROM to flash first and flash the custom ROM afterwards, when everything works again.
Here you can get the latest stock ROMs => http://forum.xda-developers.com/showthread.php?t=1544487, or pre-rooted stock ROMs from here => http://forum.xda-developers.com/showthread.php?t=1608071, or use Check Fus Downloader from here => http://fus.nanzen.se/ to check for the latest officiallly released firmware versions for your phone in your region and download it directly from Samsung servers.
Click to expand...
Click to collapse
Hi,
Thanks for the reply. I don't care which ROM I use - As long as I get the phone working again. I did download 7comp ROM but I couldn't find any .tar files?
I also converted the ZIP to a TAR but odin isn't picking it up ?!
OK - I've downloaded and installed the latest stock ROM you posted.
It seems to have installed, but doesn't go past the splash screen which says samsung galaxy Sii
Any ideas?
[EDIT] - Phone fixed. I was able to load it into recovery mode and cleared cache. woo
Well done ...now try to go on recovery mode ...if should be able to go....do full wipe...then clear delvik cache...then advance- fix permission ..
Then reboot system ....you are done...
Don't forget to say thanks..
Sent from my GT-I9100 using xda premium
Attempted to root the phone but it didn't work.
I followed a set of instructions, and was asked to wait for the phone to reboot. It now has the "!" rooted icon but won't go past the rooted screen.
System restore and clearing cache doesn't set it back to factory default. Any ideas?
Wazza26 said:
Attempted to root the phone but it didn't work.
I followed a set of instructions, and was asked to wait for the phone to reboot. It now has the "!" rooted icon but won't go past the rooted screen.
System restore and clearing cache doesn't set it back to factory default. Any ideas?
Click to expand...
Click to collapse
May i know what u did???
xDa_nightfury said:
May i know what u did???
Click to expand...
Click to collapse
Sorry for late reply. I followed a video on youtube showing you how to root the phone. It looked succesfull as the "!" did appear, but it wouldn't go past that.
So I rolled it back using the original ROM and have given up on rooting it. It's a shame as I really liked Jelly Bean
Wazza26 said:
Sorry for late reply. I followed a video on youtube showing you how to root the phone. It looked succesfull as the "!" did appear, but it wouldn't go past that.
So I rolled it back using the original ROM and have given up on rooting it. It's a shame as I really liked Jelly Bean
Click to expand...
Click to collapse
to root ur phone, just dwnld the .tar file of Siyah v4.1.5 fro the link below, then put ur phone into Dwnld mode and connect to ODIN in ur PC and flash by putting the siyah kernel file(.tar) in PDA section, ur phone will be rooted
http://www.gokhanmoral.com/gm/2012/09/08/siyahkernel-s2-v4-1/
PS- do see that u dwnld the file meant to flash by ODIN ie Download tar (for Odin)
Just flash a siyah v.4 rooted kernel through odin.

[Q] please help phone won't trun on

I have a rooted galaxy s2, I was on a custom rom and decided to restore the stock one. then I flashed siya kernel because it was shutting down randomly. then I opened superSU app after it updated automatically on the market. it asked to update (and something about binary) choosing normal update or using cmw or twrp if oono a custom rom. I chose the cmw or twrp by accident and said that if the phone didn't reboot into rrecovery I have to do it manually
the phone **** down and when I try to turn it on it doesn't. the GALAXY S2 logo shows up then it turns black . I also tried to boot it into recovery and it didn't work either. so what's the problem and how can I fix it
Download mode work? Flash stock with odin
Or flash siyah in odin then boot to recovery and do a factory reset
andrewwright said:
Download mode work? Flash stock with odin
Or flash siyah in odin then boot to recovery and do a factory reset
Click to expand...
Click to collapse
odin can't recognize the phone
even though I installed the usb drivers and kies
I guess it's because I can't enable usb debugging since the phone doesn't turn on
any other idea?
Check out @Hopper8 thread for odin trouble
No need for usb debugging for an Odin flash. As andrewwright said, click the link in my signature and follow the troubleshooting steps.
Sent from a galaxy far, far away
Hi hopper, have you checked your PM today?........
Sent from either my S2 or my W via XDA developers app

galaxy s2 stock on bootlogo

good day ive recently try to flash the latest siyah kernel on my galaxy s2 by flashing on mobile odin pro, after i flash it the phone got stock on bootlogo and i cannot access the recovery mode.
i try fixing the phone by flashing another kernel thru odin v3.04 on pc since i can still acess the download mode but when i always try to flash the kernel the pc gets blue screen and reboots.
btw i use speedmod-kernel-s2-jb-k5-8-Odin to flash on my s2 and my previous rom before got bricked was stock jellybean rom. am i using the right kernel to flash on my s2? or can you give me some advice on how to fix it . tnx
Not sure what you expect us to do about a PC blue screen, this is a phone site, not a PC site. And frankly, you're playing with fire flashing a phone with a dodgy PC. First thing I'd be doing is find a reliable PC, get a stock rom from Samfirmware, flash it with Odin to get a clean slate, then re-root your phone & either restore a nandroid or re-flash your custom rom/kernel.

Sprint Note 3 root problems HELP PLease

i rooted my devce using cwm(n9005-cwm-recovery-6.0.4.7-kk(0125)) and gained super su access.
tried to put new rom on went through the process of backing up which i dont thinhk worked, and wiping the sustem
tried to put on new rom using cwm and got an error on startup
so i tried to go back and start the whole process over again
using odin i tried to flash the phone and FAIL
i am stuck in a loop everytime i start normal or start in cwm i get a message saying firmware upgrade encountered an issue. please select recovery mode in kies and try again
but i can still use ODIN
What can i do
Thanks
I'd use TWRP if I were you and save yourself some headaches. From my understanding, CWM is hit or miss on our beloved Note 3.
https://dl.twrp.me/hltespr/twrp-2.8.6.1-hltespr-4.4.img.tar.html
Sent from my SM-N900P using XDA Free mobile app
Shotty2015 said:
i rooted my devce using cwm(n9005-cwm-recovery-6.0.4.7-kk(0125)) and gained super su access.
tried to put new rom on went through the process of backing up which i dont thinhk worked, and wiping the sustem
tried to put on new rom using cwm and got an error on startup
so i tried to go back and start the whole process over again
using odin i tried to flash the phone and FAIL
i am stuck in a loop everytime i start normal or start in cwm i get a message saying firmware upgrade encountered an issue. please select recovery mode in kies and try again
but i can still use ODIN
What can i do
Thanks
Click to expand...
Click to collapse
First what version of KK where you on when you rooted your device ? Anyway pull battery then reinstall battery. Boot into download mode, then odin flash the version of KK you had before you rooted your phone.
Chances are the device won't boot. DON'T PANIC !!! Happenes all the time, just pull the battery again. Boot into download mode again, and odin flash the stock KK again it should boot the second time.
Once you get it to boot up, check and see what version of KK you are running and make the kernel , modem, and bootloader are the same.
At this point l would odin flash it again to make sure you have a clean install. Now you can root and install a custom recovery. I use TWRP.
IF you have any questions just click rom flashing basics in my signature.
Pull battery boot cold to download mode. From there attempt odin flash of factory tar image. Report back please.
Sent from my 0x1 Note 3...... I love tep
i was originally using the stock 5.0 lollipop i rooted using the method on galaxynote3root. tried re flashing but got a fail again i dont know if im using the right kernel
odin OC5 tar.
odin cfautoroot.
odin twrp.
done. easy peasy.
WOOOP WOOOOOOOP.
It worked. it took 10 tries, but it finally worked
now to root is this the right cfautoroot
CF-Root: 48 514 333
CF-Auto-Root: 29 510 246
This file: 106 225
i just dont want to mess it up again
thanks so much guys
every things good rooted and twrp installed.
Thanks again guys

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