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[Completed] [Q] Samsung S2 doesnt work after SuperSu update

Long story short, day after rooting, SuperSu suggested to update the program. It was late at night and I clicked one of the options which was TWRP/CWMR but for HTC devices . I agreed and it rebooted the device. Now I am stuck in booting page where there is an exclamation mark with product name.
Volume UP + HOME + POWER dont get me nowhere. I also tried to go ODIN mode (Volume DOWN + HOME + POWER) but no help.
Only thing it does is after 8 seconds of power button, it gives me black screen and goes back to boot display.
Took out my and put back in my battery, later external card and SIM but always stuck at booting.
When chargin battery, it doesnt even show the visual of the battery charging(green area) but only buffering ring on battery icon.
I think the whole firmware is bad, but how is it possible to reset everything ?
I hope it isnt bricked.

Hi,
First, we need your exact model number to guide you to help. There are several S2 models.
Also, did you have twrp or CWM installed already? It sounds like SU tried to boot to them but you had stock recovery? Or am I wrong?
How did you root originally?
And yes, you need to get into download mode, you likely need to flash stock with Odin again. Without download mode or even recovery mode... You are stuck.

At the moment I am trying to get my hands on JIG USB which enables me to go Download mode. and then flash ROM from ODIN.
The exact model is S2 i9100.

Hopefully it works for you! In the future then, all questions and issues about your device would go here,
> Samsung Galaxy S II I9100 > Galaxy S II Q&A, Help & Troubleshooting
Good luck!

[Help] Stuck in a boot loop, computer won't recognize phone

I have a d6603 Z3 on 5.1.1. I attempted to use flashtool to downgrade my firmware as per this thread: http://forum.xda-developers.com/z3/general/guide-rootrecovery-how-to-root-install-t3017056
After allowing it to flash, the last lines were:
10/058/2015 23:58:25 - INFO - Please unplug and start your phone
10/058/2015 23:58:25 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings
Once I did that, the phone would start and during the boot process it would freeze and restart. Connecting to my computer shows that the battery is at 50% no matter how long it's connected. I've tried holding the power button with volume up, or power with volume down, and doing those two while connecting to computer, and nothing. Pressing the yellow button and getting the vibrations don't help. Trying to use PC Companion Repair, but that's not getting anywhere because when I hold the volume button while connecting the device, it doesn't recognize the device. Sometimes the phone will vibrate once while holding volume down when I do that. Still nothing. I'm at my wits end here.

looks like software brick. If you havent unlocked the bootloader go to service center and get it done. but you will get latest 5.1.1.
dont tell them you used flashtool n all.

Hmm, I'll have to wait til support lines open up. I'll report back sometime in the morning/afternoon.

I've just contacted Sony. They want me to send the device in for repair. I didn't tell them what I was attempting to do, only that I was in a boot loop.

inPHiniTe said:
I've just contacted Sony. They want me to send the device in for repair. I didn't tell them what I was attempting to do, only that I was in a boot loop.
Click to expand...
Click to collapse
I was in the same case and resolved it that way :
Note : locked bootloader
* installed flashtool on my computer (debian 8) : http://www.flashtool.net
* downloaded stock firmware for my isp (orange, france) : http://forum.xda-developers.com/z3/general/ftf-stock-firmwares-xperia-z3-models-t2886061
* followed http://forum.xda-developers.com/showpost.php?p=45187952&postcount=2 to flash the ftf using flashtool
* got my phone erased and back to stock KK but no more boot loop, and no sending to sony for repair.
Hope this helps and will work for you.

If you use pc companion try going into fix phone and manually select the phone model your fixing and it should force a flash through. Your just going to have to charge it up a bit if possible.
Worked for my boot looping D6616 which I had never hooked up to pc companion before.
Best of luck
Sent from my D6616 using XDA Free mobile app

I think I bricked my Samsung Galaxy S6 SM-G920I

Ok, so I tried to root my phone using odin and cf auto but at the end of the process when my phone got rebooted I was stuck on the logo screen for ages and this small red text showed at the top saying something like recovery is not seandroid enforcing. So after searching through solutions I tried formatting the phone but when I tried to go into recovery mode it just rebooted back to the logo screen. So I then tried to reinstall the firmware but after doing this Odin said failed and then my phone got rebooted and is now stuck on the message "An error has ccured while updating the device software. Use the Emergency recovery function in the Smart Switch PC software." But Samsung Kies and Smart Switch says my device is not supported and when I try to go into recovery or download mode the phone just turns of and goes back to the error screen. Can anyone please help me. This is a new phone and my parents would kill me if they found out I screwed it up already.

Hsinorat said:
Ok, so I tried to root my phone using odin and cf auto but at the end of the process when my phone got rebooted I was stuck on the logo screen for ages and this small red text showed at the top saying something like recovery is not seandroid enforcing. So after searching through solutions I tried formatting the phone but when I tried to go into recovery mode it just rebooted back to the logo screen. So I then tried to reinstall the firmware but after doing this Odin said failed and then my phone got rebooted and is now stuck on the message "An error has ccured while updating the device software. Use the Emergency recovery function in the Smart Switch PC software." But Samsung Kies and Smart Switch says my device is not supported and when I try to go into recovery or download mode the phone just turns of and goes back to the error screen. Can anyone please help me. This is a new phone and my parents would kill me if they found out I screwed it up already.
Click to expand...
Click to collapse
Hello,
Thanks for using XDA Assist.
Your thread will be moved to Galaxy S6 Q&A, Help & Troubleshooting.You'll get support from the experts there.
__
v7
XDA Assist

Put your phone in download mode and use odin to flash ROM. It will work.
Good luck

1) smartswitch or kies wont work at all because you already tripped your knox
2) recovery is not seandroid enforcing <- this text shows you have custom recovery installed.
3) you possibly didnt turned knox off. settings>lock screen and security > find my mobile> there will be an option to switch it off
now solution
1st of all you havent bricked it! its soft bricked and not hard bricked(hard brick wont even turn on)
what you can do is let the battery drain off totally charge it and try to put it in download mode > odin > flash stock rom first(important step).
from there try to turn it on if it does you great. and dont use cf auto root if you are not familiar with it download some other roms which are way better than stock touchwiz,pre rooted and way better than it(like the note5 rom for s6 by arter).
by the way keycombinations >
downloadmode = vol down+home+power to switch off download mode vol down+ power only
recoverymode= vol up+home+ power
if you can put it in download mode follow my steps and hopefully you can,just keep trying

Dr.No.pt said:
Put your phone in download mode and use odin to flash ROM. It will work.
Good luck
Click to expand...
Click to collapse
My phone wont go into download mode. When I press the button combination, the phone reboots and goes back into the screen saying the software error again. And the first time I tried to flash stock the phone is how the error message came up.

ben_cool said:
1) smartswitch or kies wont work at all because you already tripped your knox
2) recovery is not seandroid enforcing <- this text shows you have custom recovery installed.
3) you possibly didnt turned knox off. settings>lock screen and security > find my mobile> there will be an option to switch it off
now solution
1st of all you havent bricked it! its soft bricked and not hard bricked(hard brick wont even turn on)
what you can do is let the battery drain off totally charge it and try to put it in download mode > odin > flash stock rom first(important step).
from there try to turn it on if it does you great. and dont use cf auto root if you are not familiar with it download some other roms which are way better than stock touchwiz,pre rooted and way better than it(like the note5 rom for s6 by arter).
by the way keycombinations >
downloadmode = vol down+home+power to switch off download mode vol down+ power only
recoverymode= vol up+home+ power
if you can put it in download mode follow my steps and hopefully you can,just keep trying
Click to expand...
Click to collapse
Ok so I let my phone completely drain of charge, then the second I put it on charge, the phone goes to the software error screen. Download mode just reboots phone into the error screen and recovery mode doesn't seem to do anything. Ill see if Odin recognizes the phone though

Ahm probably you missed something that could help you resolve your issue in much less time.
1. Press Vol Down + Power Button for 5 seconds until it reboots. After the screen is off then quickly switch to Vol down + Home + Power button to access download mode.
It is the key combination to safemode but it your case, it will just force restart your phone. No need to drain your battery.
2. Maybe most of the newbies always missed this part before doing anything to their phone. Backup (either on smart switch or Nandroid*best option)
3. You need to have proper samsung usb drivers installed and check in odin if your phone was recognized.
The only thing I see from your first post is that the firmware installation (odin) was interrupted. Please let it finished installing before doing anything in ur phone. Check faulty usb ports/usb cables to ensure your pc/laptop works well with ur s6.
Let us know how if u still encounter any issues.

Hsinorat said:
Ok so I let my phone completely drain of charge, then the second I put it on charge, the phone goes to the software error screen. Download mode just reboots phone into the error screen and recovery mode doesn't seem to do anything. Ill see if Odin recognizes the phone though
Click to expand...
Click to collapse
do as the guy above said in 1st step thats a key step to put it in download mode

Thank you guys
The phone is all good now. It turns out that the software error screen was also the download mode. So I flashed the stock rom and everything is fine now. Thanks for the help.

ben_cool said:
1) smartswitch or kies wont work at all because you already tripped your knox
Click to expand...
Click to collapse
Even though knox is tripped you can use smartswitch.
I know this because I have done it.
I rooted my phone, installed custom kernel, etc.
I then broke the screen, and since it was a hardware issue, I got it covered by my phone provider. (I am in Aus, we have different warranty laws compared to the USA.)
But I had to return it to stock. So I used Smartswitch to do so, even with knox tripped.

Is my phone dead? Please help

So, here is the deal.
I was in middle of messaging my friend on Facebook when suddenly, my phone went to a black screen.
Model: Idol 3 6045X
OS: AlekOS 3.1
Battery: around 15% (I think, can't be positive but it was low with no sign of battery saver turning on aka no orange mode)
Rooted: Yes
I tried to reboot it in several ways, tried to charge it(notification led lights up as indication that its charging). I am out of ideas, can anyone help and guide me a way to determine if its dead or can I somehow bring it back to life.

GhostFella said:
So, here is the deal.
I was in middle of messaging my friend on Facebook when suddenly, my phone went to a black screen.
Model: Idol 3 6045X
OS: AlekOS 3.1
Battery: around 15% (I think, can't be positive but it was low with no sign of battery saver turning on aka no orange mode)
Rooted: Yes
I tried to reboot it in several ways, tried to charge it(notification led lights up as indication that its charging). I am out of ideas, can anyone help and guide me a way to determine if its dead or can I somehow bring it back to life.
Click to expand...
Click to collapse
i have same problem 7-8 months ago http://forum.xda-developers.com/idol-3/help/idol-3-wont-power-t3357134 but Panasonic firmware Helped me
Use Mobile upgrade q 5.0.6 or 5.0.3 or Panasonic firmware
Instructions for Panasonic
1.First you need the drivers so you can get from this https://drive.google.com/folderview?...TQ&usp=sharing
2.After you installed the Drivers go to. Download mode if not goes try this... Press Volume UP and Volume DOWN and connect to usb to your pc
3.Go to device Manager to view the Port ,so the port can be "Android HS-USB QDLoader 9008 (COM3)"
4.Download the Panasonic Firmware Eluga and Extract (don't worry this is the same like idol 3 only name changed)https://docs.google.com/uc?id=0B01Om...DhaSFN2aVFzaVU
5. After Extract you wil find EB-90S55EWLv1009.exe so run as administrator wait to load data
6.select 6045 and in the list down you can find your phone
7.and press the button "download"
8.So process starting ..indetifying your device you will get informations about imei..rooted or no .....
9.so automatically started to flashing the firmware (my it's go to 45 % and then i get error)
10.Don't worry press the button Reboot Device
11.and your device will reboot and you will view 'the screen powered by android and then panasonic so i get message Encrypted device just click the button "reset" and automatically device will be reseted and when wil finish with reset automatically reboots and wait to first boot you will get welcome screen set up and finished.....
12.So device successfully repaired from dead

Recover Galaxy S7 Edge SM-G935FD from bootloop, system wiped, or OS deleted

A guide for those who :
*Newbie
*first time in trouble
*accidentally delete the OS or system
*failed to root
*data wiped because forgotten your password
*tricked by a wrong guide
*do something wrong with steps explained by a guide
** LEAD TO A NON STOP BOOTLOOP
** including bootloop that can no more access the recovery interface
** including bootloop that makes your phones cannot be powered off
p.s. : bootloop = phone keep booting unstopably
Preparation :
- Tools :
- PC/laptop (windows preferrable)
- USB connector (MTP cable)
- Samsung Driver installed
- Updated Odin flash tool
- OS for S7 Edge G935FD offline depends on your regions or here for Indonesia*
Guide :
1. Press Home + Power + Volume Down button at the same time until the download interface shown up
2. Press Volume Up button
3. Open Odin flasher
4. Load the *md5 datas to odin(then make sure reboot after complete box is ticked)
5. Connect your phone to PC with MTP cable
6. Click start.. sit back and relax for a while
7. Your phone will set the system up for a moment
And its done
Then you can upgrade it or so on..

Flash stock with Odin?
Sent from my SM-G935F using Tapatalk

Phk said:
Flash stock with Odin?
Click to expand...
Click to collapse
What does it means "flash stock"? Im also new to these phrase and Im new to these things..I just accidentally succeed unbrick my s7 edge last night because I have to have the phone up by morning to record the interview with my patients

davincc said:
What does it means "flash stock"? Im also new to these phrase and Im new to these things..I just accidentally succeed unbrick my s7 edge last night because I have to have the phone up by morning to record the interview with my patients
Click to expand...
Click to collapse
stock means STOCK FIRMWARE from SAMMOBILE or anyother website.

Hey David, that's a good initiative then, to share what you've learned.
Tipycally Samsung devices are called unbrickable because download mode is (almost) always available.
In download mode you can push a factory (stock) image to your device using Odin, and you can download it from samsungfirmwares dot com or similar.
Even if you are stuck or if the device doesn't respond in UI, you can press the 3 physical buttons for 5 seconds and then release the volume up and power, keeping Home and Down pressed, which will get you to download mode.
This, the camera, the weight, the amoled, are the reasons why I keep buying Samsung since S1.
Cheers
Sent from my SM-G935F using Tapatalk

Phk said:
Hey David, that's a good initiative then, to share what you've learned.
Tipycally Samsung devices are called unbrickable because download mode is (almost) always available.
In download mode you can push a factory (stock) image to your device using Odin, and you can download it from samsungfirmwares dot com or similar.
Even if you are stuck or if the device doesn't respond in UI, you can press the 3 physical buttons for 5 seconds and then release the volume up and power, keeping Home and Down pressed, which will get you to download mode.
This, the camera, the weight, the amoled, are the reasons why I keep buying Samsung since S1.
Cheers
Click to expand...
Click to collapse
Ooh so I mistakenly understand the word "brick" then.. I will change the title ASAP. And for the question u asked before the answer is no..it not a build in odin. The post were incomplete because I posted it with xda labs app I dont know why. Hehe
By the way its davincc like da vinci..but without the "i" comes from Vincentius which is my name but its ok tho:laugh:

just asking we can use twrp recovery mode to flash stock rom?

what's new ,flash stock with odin