Rooting problems - AT&T, Rogers, Bell, Telus Samsung Galaxy S III

Right now, I just don't know what to do. I've restored my phone (model SGH-1747) back to stock many times before using Odin and it's all worked fine. But somehow, my phone is just stuck on the Samsung booting screen. Odin even gives the green "Pass!" but my phone just can't load correctly. My phone is still able to enter download mode each time I restart my phone so I don't think all hope's lost but I just can't get past the damn pulsing Samsung screen (this is after the AT&T booting screen).
Here are the steps I do to restore my phone from stock:
1. Enter phone in download mode
2. Run Odin v3.09 via administrator
3. Click on PDA and load file "root66_ATT_I747UCDLK3.tar.md5"
4. Click start
I've tried Googling my problem but I just don't really know what solutions I'm looking for. Any suggestions?

I remember having this problem a long time ago.
This is what fixed it for me:
1. Pull Battery to get out of boot loop
2. Hold power + vol up + home --> will boot you into recovery
3. Clear Data/Factory reset
4. Reboot
5. All Done

Related

[Q] Please Help is my Galaxy s3 bricked?

So I have liquid smooth 4.2.2 installed with along of Clockworkmod recovery. However this morning i recieved a notification saying that i had a gapps update. so i I went ahead and downloaded the zip file. When attempted to install, it asked if i have a recovery system or something like that. Me very ignorantly selected no and my phone guided me to download a different recovery. so i went ahead and installed it and after it booted i rkept on recieving a message that said unfortanely gapps has stopped. Then I thought that if i did a factory reset it would reset my whole phone and hopefully clear this error. I went ahead and pressed home, power and volume up and bam thats when i realized i overwrote my clockworkmod recovery with another recovery. It had to options to factory reset so i went ahead and tried it anyways. when the phone booted i still recieved the error message but this time it also had the message "setup wizard has stopped." im stuck with the screen you get when you intiially set up your phone and i can't do anything about it. I try pressing home, volume up, and the power button but it doesnt bring me to the recovery screen. Instead it just loads back to the initial setup screen after a while. When i try plugging it in the computer it doesnt not read. I cant do anything. Please help me! I just got the phone about a couple months ago and am to poor to buy another one.
Did you try going to download mode by holding volume down + home + power buttons?
Sent from my SGH-T999 using xda app-developers app
Your phone isn't bricked use Odin guide that is stickied in dev section
T-Mobile SGS III
calbertc12 said:
So I have liquid smooth 4.2.2 installed with along of Clockworkmod recovery. However this morning i recieved a notification saying that i had a gapps update. so i I went ahead and downloaded the zip file. When attempted to install, it asked if i have a recovery system or something like that. Me very ignorantly selected no and my phone guided me to download a different recovery. so i went ahead and installed it and after it booted i rkept on recieving a message that said unfortanely gapps has stopped. Then I thought that if i did a factory reset it would reset my whole phone and hopefully clear this error. I went ahead and pressed home, power and volume up and bam thats when i realized i overwrote my clockworkmod recovery with another recovery. It had to options to factory reset so i went ahead and tried it anyways. when the phone booted i still recieved the error message but this time it also had the message "setup wizard has stopped." im stuck with the screen you get when you intiially set up your phone and i can't do anything about it. I try pressing home, volume up, and the power button but it doesnt bring me to the recovery screen. Instead it just loads back to the initial setup screen after a while. When i try plugging it in the computer it doesnt not read. I cant do anything. Please help me! I just got the phone about a couple months ago and am to poor to buy another one.
Click to expand...
Click to collapse
This guide will get your phone back up and running properly. Doing anything else will just prolong your problem.
Easy and sure way fix your problem - Here is s step by step guide:
Download the newest pre-rooted Samsung Galaxy S3 T999 Jellybean v4.1.2 rom: T999_UVDMD5
After downloading make a folder on your computer's desktop and unzip the file using Winzip or 7zip so the .TAR file
is in the new folder you just made. Download and extract Odin into the same folder you made containing the TAR file
Here is the link for Odin: Odin_Flash
• Download ODIN which is required for flashing the stock rooted firmware (a windows app)
• Download the Odin Flash firmware for T999 Tmobile then copy it to the same folder as Odin
• Run Odin by double clicking the Odin.exe within the same folder as the TAR file you extracted
• Turn off your phone and boot into DOWNLOAD MODE (Volume Down + Home + Power Hold until phone powers up,
then release and press Volume Up to enter Download Mode)
• Once in Download Mode, connect the USB/Charger cable to the phone and plug into the USB port on your computer.
• You should now see a COM** port listed toward the top-left of Odin (under ID:COM)
• Click on the PDA button in the middle-right area of Odin.
• Browse to and select the rom you just downloaded (TAR file).
• Make sure Auto-Reboot and F. Reset Time are the only options checked and that PDA is the only other thing checked.
• TRIPLE CHECK your settings and that you have selected the correct firmware for your model phone and are using the correct options.
• If you are using a laptop, make absolutely sure you are plugged in, or if on battery, that it is charged enough and will not go into sleep mode during flash.
• Click Start to begin the flash. This will take a while, so be patient!
• Once complete, in the top-left box in Odin, it will say PASS and the phone should have automatically rebooted.
• You may unplug the phone and close Odin if you wish.
• Wait at least 5-10 minutes for the system to boot the first time and then build its cache!
• (It may seem to hang during boot, this is normal and you must be patient!!!)
Good Luck!

GUIDE: What to do in the event of "soft bricking" your tablet...

If you have flashed a rom and your tablet "soft bricks", i.e. it gets stuck at the Samsung splash screen or boot loops Recovery there is an easy way to recover without having to reflash the original firmware in ODIN (assuming you were smart and made a NANDROID backup before flashing your rom).
TURNING THE DARNED THING OFF:
Here's the problem. If you are at the Samsung splash screen or boot looping Recovery, you cannot turn your tablet off by just pressing the power button and you can't pull the battery. This prevents you from getting back into Recovery and restoring your NANDROID backup. So here is what you do:
1) Plug your tablet into your computer (this is important!).
2) Hold down the home, volume down and power buttons until you boot into download mode. Once you are prompted, push the volume up button to enter download mode completely.
3) Now, once in download mode, hold down the power and volume down buttons (not the home button this time) until you screen goes blank (your tablet MUST be plugged into your computer for this to work!). Release the buttons and you will see the battery symbol on your screen. Your tablet is now off - thank god.
4) To enter Recovery mode, hold the home, volume up and power buttons down until Recovery loads.
5) Restore your NANDROID backup.
Disaster averted.
i never manage to enter recovery using the button combination with the 8.4... dont really know why...
edan1979 said:
i never manage to enter recovery using the button combination with the 8.4... dont really know why...
Click to expand...
Click to collapse
Only works if the tablet is off. The key part of this little tutorial is just turning the tablet off when you are stuck in a loop. Once you are off you're golden.
I panicked yesterday because i can't exit download mode with a simple hold of the power key,
LoVeRice said:
I was panicking yesterday because i can't exit download mode with a simple hold of the power key,
Click to expand...
Click to collapse
Hope this helped.
Thanks.
Lots of new roms. Make sure you check those firmware numbers before flashing folks!
When I was stuck on the Samsung logo for 20 minutes after installing this (beta version) rom a week or so back I did this:
1. Held down the Home, Power, Volume up and down buttons for about 10 seconds, not sure if you need all of them held down, but it seems it force restarts the tablet.
2. After the screen went black I immediately held down the Home, Power, and Volume down buttons to enter into download mode.
3. Flashed the latest XAR stock rom from SamMobile.
If anyone is testing a new kernel keep an eye on those temps. An app called CPUTemp has excellent monitoring. You want to be staying under 100c even when benchmarking.
Almost there but
I did everything you said but when i press the recovery combo nothing happens.It is as if there is no recovery!!!
Help plz.I am furstrated and angry!!!
123
mitchellvii said:
Only works if the tablet is off. The key part of this little tutorial is just turning the tablet off when you are stuck in a loop. Once you are off you're golden.
Click to expand...
Click to collapse
Ok that all worked fine, but now that I got it turned off I can't get it to go any further than the charging icon is there a way to push files to it while it off? any help or suggestions are greatly appreciated
Same here. Can get into download mode but can't get into recovery. I've TWRP.
Ok made it into recovery.
Update:
I've now wiped Cache and Dalvik Cache and after rebooting it now says Android is upgrading / Starting apps.
Is this a good or a bad sign?
mitchellvii said:
If you have flashed a rom and your tablet "soft bricks", i.e. it gets stuck at the Samsung splash screen or boot loops Recovery there is an easy way to recover without having to reflash the original firmware in ODIN (assuming you were smart and made a NANDROID backup before flashing your rom).
TURNING THE DARNED THING OFF:
Here's the problem. If you are at the Samsung splash screen or boot looping Recovery, you cannot turn your tablet off by just pressing the power button and you can't pull the battery. This prevents you from getting back into Recovery and restoring your NANDROID backup. So here is what you do:
1) Plug your tablet into your computer (this is important!).
2) Hold down the home, volume down and power buttons until you boot into download mode. Once you are prompted, push the volume up button to enter download mode completely.
3) Now, once in download mode, hold down the power and volume down buttons (not the home button this time) until you screen goes blank (your tablet MUST be plugged into your computer for this to work!). Release the buttons and you will see the battery symbol on your screen. Your tablet is now off - thank god.
4) To enter Recovery mode, hold the home, volume up and power buttons down until Recovery loads.
5) Restore your NANDROID backup.
Disaster averted.
Click to expand...
Click to collapse
my nandroids were not visible... like,wtf,I can't find any of my backups, twrp isn't showing internal or external SDS...weird
Just bricked my Galaxy Tab S. Got it off and it is showing the battery sign. During TWRP I somehow wiped the internal sd. If I download a T800XXU1ANJ6_T800XAR1ANI1_XAR.zip will I be able to ODIN it back to stock? HELP
Lost my backups
Just downloaded and installed via Odin a firmware version of this tablet and all is well. Just have to start all over again, currently writing this due to a Samsung update for the firmware. YEA!
mitchellvii said:
If you have flashed a rom and your tablet "soft bricks", i.e. it gets stuck at the Samsung splash screen or boot loops Recovery there is an easy way to recover without having to reflash the original firmware in ODIN (assuming you were smart and made a NANDROID backup before flashing your rom).
TURNING THE DARNED THING OFF:
Here's the problem. If you are at the Samsung splash screen or boot looping Recovery, you cannot turn your tablet off by just pressing the power button and you can't pull the battery. This prevents you from getting back into Recovery and restoring your NANDROID backup. So here is what you do:
1) Plug your tablet into your computer (this is important!).
2) Hold down the home, volume down and power buttons until you boot into download mode. Once you are prompted, push the volume up button to enter download mode completely.
3) Now, once in download mode, hold down the power and volume down buttons (not the home button this time) until you screen goes blank (your tablet MUST be plugged into your computer for this to work!). Release the buttons and you will see the battery symbol on your screen. Your tablet is now off - thank god.
4) To enter Recovery mode, hold the home, volume up and power buttons down until Recovery loads.
5) Restore your NANDROID backup.
Disaster averted.
Click to expand...
Click to collapse
Just bricked my new Tab S and could not shut it down. I also deleted my sd card during a TWRP move so found the firmware and back to ODIN and I am on my way to recovery, but first thanks is to you to save me from my panic!
Appreciate your advice in getting tab off and back into recovery. Whew!
mitchellvii said:
If you have flashed a rom and your tablet "soft bricks", i.e. it gets stuck at the Samsung splash screen or boot loops Recovery there is an easy way to recover without having to reflash the original firmware in ODIN (assuming you were smart and made a NANDROID backup before flashing your rom).
TURNING THE DARNED THING OFF:
Here's the problem. If you are at the Samsung splash screen or boot looping Recovery, you cannot turn your tablet off by just pressing the power button and you can't pull the battery. This prevents you from getting back into Recovery and restoring your NANDROID backup. So here is what you do:
1) Plug your tablet into your computer (this is important!).
2) Hold down the home, volume down and power buttons until you boot into download mode. Once you are prompted, push the volume up button to enter download mode completely.
3) Now, once in download mode, hold down the power and volume down buttons (not the home button this time) until you screen goes blank (your tablet MUST be plugged into your computer for this to work!). Release the buttons and you will see the battery symbol on your screen. Your tablet is now off - thank god.
4) To enter Recovery mode, hold the home, volume up and power buttons down until Recovery loads.
5) Restore your NANDROID backup.
Disaster averted.
Click to expand...
Click to collapse
Thanks a lot. I just registered at xda developers in order to be able to reply and thank you. You saved my tabS 8.4 two weeks ago. However, I lost this thread since that time and I just found it again today after almost 2 hours of google searching. All that to show my appreciation for helping me to switch off my tablet having been stuck at the booting loop.
I would send you money if I knew how. THANK YOU SO MUCH! I had this problem with a Samsung Tab S I got at Costco, and returned it for a new one. That was about a year ago, and I was sure I would have to take it back again. You are uberawesome!
Kindly help me if u can ^_^
cyaclone said:
Just bricked my Galaxy Tab S. Got it off and it is showing the battery sign. During TWRP I somehow wiped the internal sd. If I download a T800XXU1ANJ6_T800XAR1ANI1_XAR.zip will I be able to ODIN it back to stock? HELP
Lost my backups
Just downloaded and installed via Odin a firmware version of this tablet and all is well. Just have to start all over again, currently writing this due to a Samsung update for the firmware. YEA!
Click to expand...
Click to collapse
Dear,
My case problem is like yours, after I wipe from TWRP I do restart my device & I'm now stuck on Samsung Logo or Battery Logo (if I plug it with my computer).
Now how can I download a new firmware, although I can't open download mode or recovery mode through (Volume Down+Home+Power)?
Thnx n Adv.
Kashkool said:
Dear,
My case problem is like yours, after I wipe from TWRP I do restart my device & I'm now stuck on Samsung Logo or Battery Logo (if I plug it with my computer).
Now how can I download a new firmware, although I can't open download mode or recovery mode through (Volume Down+Home+Power)?
Thnx n Adv.
Click to expand...
Click to collapse
You have a couple of options.
1) Do as the guide says. It usually works.
2) If it didn't work, unplug your device and wait until it discharges the battery and goes off. Then charge it from USB, and turn it on with holding down Home+VolumeDown+Power buttons until DOwnload mode appears. Then press VolumeUp, and flash it from ODIN.

Samsung Galaxy Tab 3 7 Kids T2105 T-2105 can't access recovery mode

I have three (3) Samsung Galaxy Tab Kids T2105 tablets. All are running the latest firmware, T2105UEAOE1.
None of them will boot into recovery. The tabs work, they will boot normally, and then will boot into Download mode. But they will not boot into recovery.
* If I hold down Power+VolUp+Home, or Power+VolUp, continuously, the Tab turns on, and then, about 5 seconds later, turns back off.
* If I hold down Power+VolUp+Home, or Power+VolUp, and release them when the Samsung Logo appears, the device boots normally.
* If I hold down Power+VolUp+Home, or Power+VolUp, and release Power when the Samsung Logo appears, and then continue to hold VolUp and/or Home, the device sits on the Samsung Logo for 20 seconds, then the screen goes blank for a second, then the logo comes back on and sits for 20 seconds, then the screen goes blank... and this cycle repeats until I release the buttons, at which point the device boots normally.
I have done factory resets (through the normal mode settings menus). I have reflashed the latest firmware with Odin3. Nothing seems to fix this problem.
I've been searching the net for hours for this. I see a number of other people who have reported this problem. But nobody has offered a solution. One person stated that he uses "adb reboot recovery" - which is a fine, if ugly, hack - but the fact remains that, for many people, apparently, Stock Android Recovery is not accessible from the Samsung Galaxy Tab Kids T2105.
Does anyone know of an actual solution for this, to restore recovery functionality to this tablet?
Hello,
I have the same tablet, same problem (no stock recovery). None of the button combinations work, and the logo just keeps repeating. My situations is that my 9 yr old daughter locked herself out and can't remember her lock screen password. It's a totally stock tablet (never been rooted or flashed). Because I can't get into the tablet, I'm not sure what firmware version it has, and it does not have USB debugging enabled.
I tried booting into the stock recovery to do a factory reset (since we can't do it in the Settings). I tried flashing the same firmware you mentioned using Odin. It goes through the motions successfully and reboots. But it boots back to the lock screen and its still "locked" (we still see her personal wall paper) - which tells me the flash is not taking. Even though my Odin set up is fine, it does not work (even though everything passed with green lights). I tried going into Safe Mode to try bypassing the lock screen, but even in Safe Mode it still asks for the password. My thinking was to go into Settings and initiate a new password or do a factory reset.
(BTW - the Safe Mode button combination was different for me. Holding Power + Volume Up did not work. Instead I had to hold Power + Volume Up & Down until the logo showed up. Once the logo disapeared, then I had to let go of the Power button only - but continue holding the Volume Up & Down until it fully booted into Safe Mode).
I tried ADB in order to use a password reset/erase command line. But because the USB debugging is not enabled, ADB doesn't see the tablet. There is no other way to enable it via Odin or ADB. And I can't even sideload any Lock Screen Hack apps becuase the table is not rooted, or not USB debugging enabled, or can't get into recovery to flash an .apk or image.
So I am stuck. Why would Samsung block recovery mode??? I have been trying for more than 8 hours. If anyone can help, me and my 9 yr old daughter will greatly appreciate it. My last attempt will be to try Google Device Manager and see if it can somehow unlocks it. Or try Kies (although everything I have read so far says that these have not worked either).
HELPPPPPPPPPP!!!!!!!
ggee
wfire said:
I have three (3) Samsung Galaxy Tab Kids T2105 tablets. All are running the latest firmware, T2105UEAOE1.
Does anyone know of an actual solution for this, to restore recovery functionality to this tablet?
Click to expand...
Click to collapse
Hello,
I'm not sure which one of these did the trick for me, but I was able to get into recovery mode. I'm not sure if your three tables are rooted or not, but I don't think it matters. Try these two methods:
Method #1:
Technically, I think I just stumbled on to this one after successfully completing Method #2 (below). But it's worth trying it first before moving on to Method #2.
-Hold the Home + Volume Up + Power buttons together at the same time (just like the normal process).
-Now, you will probably need to try this next step a couple of time before you get it right. This is because it happens pretty fast and you need to time it perfectly.
-Notice that when the screen turns on, the actual first thing that happens is that the the screen backlight turns on and glows first. This happens first and a split second later the first Samsung logo flashes.
-You need to let go of all three buttons at the same time as soon as you see the backlight turn on, but before the Samsung logo flashes.
This is the sweet spot, and it happens pretty fast. But once you do it at the right time, the tablet will go black again and then the recovey mode will show up. It works for me every time.
Method #2:
I thought somehow the recovey mode portion of the firmware had become corrupter somehow. So I decided to flash a custom recovery using Odin (since at that time I hadn't stumbled onto Method #1 yet). Make sure to use gr8nole's custom recovery version for the SM-T210 and SM-T210R (these are the equivalent wifi versions of our Kids tablet). His versions have fixed some known bugs that CWM/TWRP have with the wifi version of our tablets. Make sure to download and flash the CWM or TWRP .tar file for Odin (I personally have always liked CWM over TWRP).
Here is his link: http://gr8nole.blogspot.com/
Also mentioned here: http://forum.xda-developers.com/showthread.php?t=2437219
-Make sure you have all the correct USB drivers for the tablet installed on your computer.
-Open Odin and load the .tar file that you downloaded from gr8nole into the PDA or AP slot (depending on your Odin version).
-Let Odin check the m5d verification for successful authorization.
-Once Odin is ready, then boot the tablet into Download Mode (Home + Volume Down + Power button)
-Connect the table to a USB cable that is attached to your computer's main USB port.
-Odin should now recognize that the table it connected to a valid COM port.
-Click <Start> button on Odin and it should flash the costum recovey .tar file pretty quickly.
-The tablet will simultaneously flash a progress bar and start to automatically reboot (also pretty quickly).
-Disconnect the tablet from the USB cable now.
If the tablet does not automatically reboot to the new custom recovery screen, then just power off the tablet completely. Wait 30 seconds, and then boot the table to recovery mode use the Method #1 shown above. You should now be able to go into the new custom recovery mode you flashed with Odin (CMW or TWRP). It should all work now.
From this point you can download and install SuperSU to add root (if you want to).
Let me know if this works for you.
ggee

Am I Bricked?

Hi Guys,
I'm on a budget so I picked up an android off Craigslist today. Here is my problem -
Samsung S3 Rooted
Phone was working fine until I went into TWRP and wiped everything I could, and formated the phone. Obviously, I don't know exactly what I did.
Immediate problem -
Phone is stuck on boot, and I can't get into Fastboot, or a safe mode.
When I reset the phone, (by holding Power), the phone vibrates, shows a battery cell, then gets stuck on the boot screen. I guess this guy was using KToonsez KT747 - Kernel Dominaton, because that's what it says when I boot up. Then it just gets stuck there.
If I reset the phone and hold VolUp/Home/Pwr, it just gets stuck in a loop where it just vibrates over and over.
If I reset the phone and hold VolDn/Home/Pwr, I get the following -
Warning
A custom OS can cause critical problems ... ...If you want to download a custom OS press the volume up key. Otherwise, press the volume down key to cancel. If I press the VolDn key, it reboots and get stuck at the boot screen where it shows KToonsez KT747 - Kernel Dominaton. If I press the VolUp key, it gets stuck at Downloading... Do not turn off target !!
In the top left it shows the following...
Product name: SGH-T999N
Custom Binary Download: Yes (4 counts)
Current Binary: Custom
System Status: None
Qualcom Secureboot: Enable
Warranty Bit: 1
Bootloader AP SWREV:1
WHAT. DO.
Suggestions anyone?
Thank you,
Nate
If you have a PC you could go back to download mode and restore the stock software and see if that fixes the issue. If it does you could use download mode and Odin to reinstall Twrp and start flashing roms.
Download the latest ROM for the phone from here (it's slow so be patient): http://www.sammobile.com/firmwares/database/SGH-T999N/ . Unzip the file once to get a tar.md5 file.
Download Odin 3.07 from here: https://www.google.ca/url?sa=t&rct=...5QWImOPDJboTA_V3D5S9eA&bvm=bv.131783435,d.amc
Samsung USB drivers: http://www.samsung.com/us/support/owners/product/SGH-T999NBATMB
Install the Samsung drivers.
Open Odin, uncheck everythign except f reset time.
Click on PDA and select the tar.md5 file you unzipped.
Boot phone into download mode by pressing home, volume down, and power, then volume up.
Connect the phone to the computer using the original Samsung USB cable and the phone should show up as a COM port.
Flash the phone by clicking on start.
When you see the word "reset" in the status window, remove the USB cable from the phone, remove the battery, replace the battery, boot into recovery by holding down the home, volume up, and power button.
Perform a factory reset/wipe and reboot.

Question S21 FE - endless bootloop and download mode/recovery not working (properly)

Hello,
my wife got a S21 FE (SM-G990B/DS VD2). Yesterday it started to reboot over and over out of a sudden, showing the samsung logo first, followed by the knox logo, then shutting off and on again. Tried several guides to enter Recovery or Download Mode. The only thing that worked was entering download mode by pressing Vol up, down and power while a USB-Cable is plugged in, but as soon as i press the vol up button to pass the "warning screen", it shows some phone specs for a couple of seconds, shuts off and starts bootlooping again. After some hours, the phone once entered recovery mode when it lied next to me for about an hour. Tried to wipe cache, but just got an error I can't remember right now. Hoped it fixed itself when it made it to recovery and just rebooted to see if it works again, but then it just keept bootlooping again.
Since then I couldn't figure out why it once booted to recovery on it's own nor why I can't force it to enter recovery by pressing vol up + on.
Still hope it's just a faulty update or bug, but feels very much like it's a hardware related issue. Replacing the phone won't be an issue, but I'd really want to save data on the phone as my wife didn't make any backups and really wants to keep the photos.
As I just found guides that included recovery or DL-Mode, which are both no valid options for my case, I'd be thankful for any ideas to fix the phone or at least gain access to files before replacing it.
So.. did anyone come across similar issues and found a solution to revive the phone or are there any "unpopular" ways to recover samsung phones out of this state?
Edit:
Turned off completely overnight, booted once to system, looped again and now it's working like nothing ever happened. Got no clue what caused it or why it is working again. Saved everything for the case it happens again.
Wouldn't trust that device anymore, but my wife wants to keep it.
¯\_(ツ)_/¯
I would just like to reply here and add my own potential fix and also would like confirmation that it would work.
So I have a SM-G996B in a boot loop which returns a 'fs_mgr_mount_all' error. Possible to reboot into recovery mode, cleared cache and restarted bootloader etc with the same boot loop. Powered off and connected to PC for Download mode for ODIN recovery but upon pressing volume up, it then restarts again so Download mode recovery is impossible.
I know however that Developer options and USB debugging was enabled on the device as well as unlocked boot loader. I was able to download the correct original stock OS based on the PDA , CSC and Android version.
I have then installed the latest ADB software on my PC and Samsung USB drivers.
By then rebooting into recovery mode, I have the option of 'Apply update from ADB'. I have then confirmed the device connects using the ADB devices command.
I would like to clarify one thing however. I want to keep the user data at all costs. By using the stock firmware and renaming as update.zip, will it use the HOME_CSC and not the CSC file? If not would it work if I open the zip and remove the CSC before re-zipping to make sure?
Thanks
Reebee said:
Hello,
my wife got a S21 FE (SM-G990B/DS VD2). Yesterday it started to reboot over and over out of a sudden, showing the samsung logo first, followed by the knox logo, then shutting off and on again. Tried several guides to enter Recovery or Download Mode. The only thing that worked was entering download mode by pressing Vol up, down and power while a USB-Cable is plugged in, but as soon as i press the vol up button to pass the "warning screen", it shows some phone specs for a couple of seconds, shuts off and starts bootlooping again. After some hours, the phone once entered recovery mode when it lied next to me for about an hour. Tried to wipe cache, but just got an error I can't remember right now. Hoped it fixed itself when it made it to recovery and just rebooted to see if it works again, but then it just keept bootlooping again.
Since then I couldn't figure out why it once booted to recovery on it's own nor why I can't force it to enter recovery by pressing vol up + on.
Still hope it's just a faulty update or bug, but feels very much like it's a hardware related issue. Replacing the phone won't be an issue, but I'd really want to save data on the phone as my wife didn't make any backups and really wants to keep the photos.
As I just found guides that included recovery or DL-Mode, which are both no valid options for my case, I'd be thankful for any ideas to fix the phone or at least gain access to files before replacing it.
So.. did anyone come across similar issues and found a solution to revive the phone or are there any "unpopular" ways to recover samsung phones out of this state?
Edit:
Turned off completely overnight, booted once to system, looped again and now it's working like nothing ever happened. Got no clue what caused it or why it is working again. Saved everything for the case it happens again.
Wouldn't trust that device anymore, but my wife wants to keep it.
¯\_(ツ)_/¯
Click to expand...
Click to collapse
Similar issue with same phone. In a bootloop after trying to root. None of the button combinations have worked for me, for the past several days.
Tried powering the phone off for the whole night.
When connected to the PC shows phone is in recovery mode via adb (blank screen though).
Want to know how to get into DL-mode, guaranteed.
Got to DL mode by pressing vol up + down + power + usb cable connected in PC and phone. However, couldn't do anything there, but maybe you can
Also, phone is still working and I still have no clue what was the problem and what fixed it.

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