S6 SM-G920F No recovery, and stuck in bootloop even after successful Flash. - Galaxy S6 Q&A, Help & Troubleshooting

My S6 has been bricked for months,i cant get to the recovery menu tried flashing twrp recovery and stock recovery but didnt work. All i can get is the SAMSUNG screen and odin download mode. I then tried to flash the stock 6.0 for my S6 (G920FXXS4DPH8_G920FOJV3DPC1_G920FXXS4DPG3_HOME.tar.md5) , all flashing attempt seems to finish successfully on odin but doesnt end up booting up nor having a recovery when the phone restarts. the flashing procedure was done using odin3.10.6
i have been a fan of this site for years, and just ended up registering due to this problem. loool
Help please

Try different versions of odin.

P J said:
My S6 has been bricked for months,i cant get to the recovery menu tried flashing twrp recovery and stock recovery but didnt work. All i can get is the SAMSUNG screen and odin download mode. I then tried to flash the stock 6.0 for my S6 (G920FXXS4DPH8_G920FOJV3DPC1_G920FXXS4DPG3_HOME.tar.md5) , all flashing attempt seems to finish successfully on odin but doesnt end up booting up nor having a recovery when the phone restarts. the flashing procedure was done using odin3.10.6
i have been a fan of this site for years, and just ended up registering due to this problem. loool
Help please
Click to expand...
Click to collapse
Take a break from ODIN and install "Smart Switch for PC or Mac". Go to "more" on top right corner and do a software reinitialize. Type in your phone's model e.g. SM-G920F, hit search, type in your phone's serial number, and it will download and flash the latest ROM straight from Samsung.
Search this in Google for a YouTube video "samsung smart switch initialization" to get the picture of how easy this is going to be.
If it doesn't work, then go back to odin, assuming you have the proper ROM, and check the nand erase option. Do not check the repartition option!!!
BTW, @ronnie498, this thread probably belongs to the Q&A section, not the general section. Thanks.
Sent from my SM-G920F using XDA-Developers mobile app

Commodore 64 said:
Take a break from ODIN and install "Smart Switch for PC or Mac". Go to "more" on top right corner and do a software reinitialize. Type in your phone's model e.g. SM-G920F, hit search, type in your phone's serial number, and it will download and flash the latest ROM straight from Samsung.
Search this in Google for a YouTube video "samsung smart switch initialization" to get the picture of how easy this is going to be.
If it doesn't work, then go back to odin, assuming you have the proper ROM, and check the nand erase option. Do not check the repartition option!!!
BTW, @ronnie498, this thread probably belongs to the Q&A section, not the general section. Thanks.
Sent from my SM-G920F using XDA-Developers mobile app
Click to expand...
Click to collapse
Thank You very much for your reply, but that didnt work. Smart switch keeps saying "Please Check the model name and S/N, and enter them again" doe i put the right S/N printed at the back of my S6. As for re-trying odin with the "nand erase all" option checked, odin passed but my S6 SM-G920F is still stuck in a bootloop with no recovery. Just ODIN download mode.
:crying: :crying:

920F is international, but there are so many variations of those. Is it a European version? UK model? Maybe try Samung Kies3 this time. Before you uninstall Smart Switch to install Kies3, try the SM-G920F and your S/N once more making sure all letters are CAPs and things like the letter o is not miss typed by a zero or visa versa. If it says mismatch again, uninstall Smart Switch and try Samsung Kies3 this time.
Meanwhile, do you remember what ROM your phone was on when it was working? Was it Android 5.0.1 or 5.1.1 or 6.0.1? Any other info on the original ROM or last working one?
Sent from my SM-G920F using XDA-Developers mobile app

Commodore 64 said:
920F is international, but there are so many variations of those. Is it a European version? UK model? Maybe try Samung Kies3 this time. Before you uninstall Smart Switch to install Kies3, try the SM-G920F and your S/N once more making sure all letters are CAPs and things like the letter o is not miss typed by a zero or visa versa. If it says mismatch again, uninstall Smart Switch and try Samsung Kies3 this time.
Meanwhile, do you remember what ROM your phone was on when it was working? Was it Android 5.0.1 or 5.1.1 or 6.0.1? Any other info on the original ROM or last working one?
Sent from my SM-G920F using
Click to expand...
Click to collapse
Samsung Kies doesnt even recognize the model name, as for Smart Switch yh; it still gives me "Please Check the model name and S/N, and enter them again" and i ensured i typed the S/N accurately.
and its a UK model, and No i do not have an idea of the ROM that initially on it before the crash.

What are you writing for model name?

Related

Messed up my galaxy s6 really really bad please help!!!

I realize i'm stupid af but here's what happened: I was trying to flash a custom rom to my SM-G920F galaxy s6 and accidentally uninstalled my OS. This morning I attempted to flash G920FXXU2POGN to my galaxy 6, I have no idea what the original software was. Everything was going fine until the last minute when hidden.img appeared in the odin log and the flash failed. My device now reads: An error has occurred while updating the device software. Use the emergency recovery function in the Smart Switch PC software. However, neither smart switch of kies 3.0 support my device!! My device is still bootable into download mode. Please please please help. I've only had this thing for a day and I've already broken it.
moved to the SGS6 Q&A forum.
mcmullan510 said:
I realize i'm stupid af but here's what happened: I was trying to flash a custom rom to my SM-G920F galaxy s6 and accidentally uninstalled my OS. This morning I attempted to flash G920FXXU2POGN to my galaxy 6, I have no idea what the original software was. Everything was going fine until the last minute when hidden.img appeared in the odin log and the flash failed. My device now reads: An error has occurred while updating the device software. Use the emergency recovery function in the Smart Switch PC software. However, neither smart switch of kies 3.0 support my device!! My device is still bootable into download mode. Please please please help. I've only had this thing for a day and I've already broken it.
Click to expand...
Click to collapse
Hi there, you should download smart switch and use emergency firmware recovery, From there you should click 'more' then click emergency software recovery. Key in your device SM-G920F then input your serial number (Found on your device Box, remember to connect your phone on download mode) then voila, it should download and install the latest firmware for you. hope it helps!

[HELP] Boot loop, no OS, can't flash; urgent help needed please!

Hi XDA,
I really need help. Today I tried to root my new S6 (SM-G920W8, Rogers as provider) using a video (which I apparently can't link, but is titled "How to Root the Galaxy S6 (Safe & NO Loss of Data)" by C4Etech), which ironically turned out to be not that safe. I followed the instructions precisely, but despite seeing a 'PASS!', it got stuck in a bootloop. Thankfully, I can still access TWRP recovery mode, as well as the blue download mode.
I have the latest version of TWRP (2.8.7.1) loaded on my phone, but when trying to restore it I stupidly deleted the OS. Now, this would be fine, as I should be able to flash the stock 5.0.2 ROM, right? Wrong.
I am using Odin 3.0.4 as well as also trying 3.10.7, but when trying to load the ROM via AP method, I get "Write NAND start", followed by "FAIL!" I also once tried checking off the Re-Partition box, which then left me with "the specified file could not be read".
Digging around on the forums, I wasn't sure if perhaps it was because I was trying to install 5.0.2 onto a 5.1.1 device, but I couldn't find a 5.1.1 version of a Rogers SM-G920W8 stock firmware. School is tomorrow and I definitely can't let my parents find out that I messed up my phone – please XDAdevs, I'm begging you – help a newbie flasher out!
Have you formatted all partitions using TWRP?
I'd suggest format Data, System and Cache and try Odin again.
If it still fails then use a different USB port, a different cable or even a different computer.
Sent from my SM-G920I using XDA Premium HD app
Obagleyfreer said:
Have you formatted all partitions using TWRP?
I'd suggest format Data, System and Cache and try Odin again.
If it still fails then use a different USB port, a different cable or even a different computer.
Sent from my SM-G920I using XDA Premium HD app
Click to expand...
Click to collapse
No luck with switching cables or ports, gonna try a different computer but not sure it'll work. Still getting the NAND write error. Being a newbie to this, what things can cause a "NAND write start fail" error?
EDIT: it appears my reactivation lock is off. As my phone has no OS and is stuck in infinite boot loop, I can't register a Samsung count to disable it. Any advice?
Just tried on another computer. Was able to flash a version of Chainfire Autoroot with no NAND issue, but the issue persists for the stock S6 ROM.
Advice would be much appreciated.
Do you see black box with red writing saying "software rev check failed"?
Obagleyfreer said:
Do you see black box with red writing saying "software rev check failed"?
Click to expand...
Click to collapse
No; I've never seen this message. However, when I try to boot normally on the S6 logo screen I get a red "Recovery is not Seandroid Enforcing".
...Unfortunately, I have no idea what this entails.
SOLVED!
To anyone reading this who screwed up their Samsung device, use Kies 3 and try to upgrade firmware with your phone plugged in in download mode.
What this does is simply reinstall the native OS, using Samsung's own tool. No NAND errors, no need for Odin! Everything is vanilla and fixed. Thanks for your helps!
i see that box whit that mesagge , have any sugestion???? say software rev check fail
Obagleyfreer said:
Do you see black box with red writing saying "software rev check failed"?
Click to expand...
Click to collapse
i see that box whit that mesagge , have any sugestion???? say software rev check fail

No OS installed, don't know what region of firmware to download

So I tried to root my Samsung Galaxy S6 today using TWRP and it got stuck in a boot loop. I went to wipe to cache and accidentally wiped to system. So now there is no OS installed. I know I need to somehow put an OS on the device but I'm in Canada and when I go to samsung's site to download the firmware, there is no Canada option. I bought the phone off of amazon and it came with a European wall charger because it was imported, but how do I know what firmware to download?
Also, when I have found the right firmware, how do I flash it onto the device? I can no longer access TWRP, all I can get is the downloading screen thing. Can I use Odin/how do I use Odin?
Somebody help me I'm panicking because I broke my brand new phone!
You should check the Amazon listing to see which model number you have. It's probably SM-920F.
Once you have the correct firmware downloaded, Google a guide to flashing Galaxy S6 firmware with Odin. There are a lot of them out there.
krisztiana said:
So I tried to root my Samsung Galaxy S6 today using TWRP and it got stuck in a boot loop. I went to wipe to cache and accidentally wiped to system. So now there is no OS installed. I know I need to somehow put an OS on the device but I'm in Canada and when I go to samsung's site to download the firmware, there is no Canada option. I bought the phone off of amazon and it came with a European wall charger because it was imported, but how do I know what firmware to download?
Also, when I have found the right firmware, how do I flash it onto the device? I can no longer access TWRP, all I can get is the downloading screen thing. Can I use Odin/how do I use Odin?
Somebody help me I'm panicking because I broke my brand new phone!
Click to expand...
Click to collapse
On the back of the phone it should say which model you have, for example G920F, G920W8, G920P etc.
Download the proper firmware from Sammobile, then follow the tutorial that the following thread has a link to.
http://forum.xda-developers.com/galaxy-s6-edge/general/sm-g925f-s6-firmware-thread-t3078841
If the variant you have is the European model, G920F, I recomend you install the unbranded firmware.
IMPORTANT! MAKE SURE YOU HAVE THE PROPER FIRMWARE! INSTALLING THE WRONG FIRMWARE CAN HARD BRICK YOUR DEVICE!
I really hope this advice helped!
Really important is only that you pick the right model to download. The region isn't that important. Go to sammobile and download your stock rom, but be sure to not pick a branded one, because they are full of junk.
Also, you must use ODIN in that Download-Mode. Open ODIN, plug your device into your pc and see, if ODIN shows up your device. If yes, select "PDA" or "AP" (depending on ODIN Version) and select your ROM that you have downloaded. Then click on start. Don't touch your phone, your cable or your computer for best results. Wait ODIN say "PASS" with a green background. If this occurs, your phone should restart and after 10 mins or so, it should boot Android.
I did the same this as the OP, now I am stuck on the main "Samsung Galaxy S6 Edge Powered by Android" screen. I can boot into TWPR and into download. I have tried flashing zip from external SD card with USB-OTG with no luck, I have tried flashing from Odin, multiple Odin versions tried, multiple usb cords tried, multiple computers tried.. all result with <ID:x/xxx> Can't open serial(COM) port."
No matter what I do, I can't seem to get anything to take, not stock firmware or otherwise. Any suggestions.. donations for anyone who can help me solve. lol $$
dwall87 said:
I did the same this as the OP, now I am stuck on the main "Samsung Galaxy S6 Edge Powered by Android" screen. I can boot into TWPR and into download. I have tried flashing zip from external SD card with USB-OTG with no luck, I have tried flashing from Odin, multiple Odin versions tried, multiple usb cords tried, multiple computers tried.. all result with <ID:x/xxx> Can't open serial(COM) port."
No matter what I do, I can't seem to get anything to take, not stock firmware or otherwise. Any suggestions.. donations for anyone who can help me solve. lol $$
Click to expand...
Click to collapse
i'm in the same situation , stuck in bootloop for the last 3 days ive tried everything on youtube and forums , with odin with smart swich with kies with twrp , nothing , same bootloop everytime. don'tknow what to do .....
get the model number of your phone and flash the latest firmware through Odin
Milian90 said:
i'm in the same situation , stuck in bootloop for the last 3 days ive tried everything on youtube and forums , with odin with smart swich with kies with twrp , nothing , same bootloop everytime. don'tknow what to do .....
Click to expand...
Click to collapse
In odin under options untick Auto Reboot.
Flash Rom
Phone wont reboot once rom has flashed successfully so you will need to do manual reboot.
Go into recovery mode and wipe data.
Reboot phone
that should help let us know if it works
wifi wont turn on
hi, i managed to install the firmware but now the wifi and bluetooth wont turn on, wifi toggle and bluetooth wont go on, it looks like is trying toget on but after 20 seconds justgo back to off. idont know what to do .........
I can't even get any firmware to load as odin continually stops within seconds of starting to flash phone, no matter what firmware I choose it's the same result failed flash?

HELP!

reactivation lock is on
Can't get any other details as phone won't start up properly.
My mum got a new phone so is giving her old s6 to my little brother. I did a factory reset and couldn't log back in with my mum's Samsung account, so we changed her password and tried to log in after reset and it's just not working.
I tried smart switch emergency recovery but it just said device not recognised.
I tried to flash the original stock firware amd the latest stock firmware and and latest stock firmware and it never worked.
I tried with different cables and an original Samsung cable and still to no avail. Odin fails on "complete write operation failed"
I am at a loss as what to do now as the phone now says "an error occurred while updating the device software. Use the emergency recovery function in the smart switch PC software"
But I have tried and it says device not recognised!
I feel I've run out of options now any help would be greatly appreciated. Thank you in advanced for any help I receive.
Have a good day everyone
Someone must have a suggestion? Please
well...
try flashing a pit file for that particular model...
make sure its the correct rom for that model
try emergency recovery in kies...
s.t.25 said:
reactivation lock is on
Can't get any other details as phone won't start up properly.
My mum got a new phone so is giving her old s6 to my little brother. I did a factory reset and couldn't log back in with my mum's Samsung account, so we changed her password and tried to log in after reset and it's just not working.
I tried smart switch emergency recovery but it just said device not recognised.
I tried to flash the original stock firware amd the latest stock firmware and and latest stock firmware and it never worked.
I tried with different cables and an original Samsung cable and still to no avail. Odin fails on "complete write operation failed"
I am at a loss as what to do now as the phone now says "an error occurred while updating the device software. Use the emergency recovery function in the smart switch PC software"
But I have tried and it says device not recognised!
I feel I've run out of options now any help would be greatly appreciated. Thank you in advanced for any help I receive.
Have a good day everyone
Click to expand...
Click to collapse
Follow this XDA solution
x1123 said:
Follow this XDA solution
Click to expand...
Click to collapse
You can do it. You absolutely need to find the right stock ROM for it and it will work. I was stuck in this situation about a month ago, it's all about getting the right ROM
---------- Post added at 08:21 AM ---------- Previous post was at 08:18 AM ----------
katiebrayspop said:
You can do it. You absolutely need to find the right stock ROM for it and it will work. I was stuck in this situation about a month ago, it's all about getting the right ROM
Click to expand...
Click to collapse
What carrier is it through? And make sure you download Odin 3.12.7, it's not the newest version of Odin but seems to be the most stable

Samsung SM-G930F

I bought a used samsung s7 Sm-G930F but after using the phone for some days i saw an update release so i decided to update it but after download the update it couldnt install it due to some error i dont know is talking of. So after some days to went off and it couldnt come on. So i decided to flash the firmware BTU on it through odin3 but after get PASS in odin3 it keeps gets stuck on SAMSUNG. I have also try factory reset wipe cache before even doing the firmware flash. Also i try downgrading to 7.0 and 6.0 but didnt work. Please help am guessing am missing something. I also notice something when even i boot the phone in recovery mode and plug to my system, my system recognise as SM-G930S, while at the back is written SM-G930F. Pls provide with any possible solution to this issue.
Used phones are often rebranded as other models to try increase resale value. If it says G930S in download mode then that's the phone you have. If you tried flashing G930F software you've probably soft bricked it.
You could try flashing again but using G930S software.
Beanvee7 said:
Used phones are often rebranded as other models to try increase resale value. If it says G930S in download mode then that's the phone you have. If you tried flashing G930F software you've probably soft bricked it.
You could try flashing again but using G930S software.
Click to expand...
Click to collapse
Thanks for quick respond. In download it says Sm-g930f.but if i plug it to a system in recovery mode it shows as Sm-g930s. So am really confuse. And 8 have flash it with Sm-g920f firmware several times it keeps getting stuck on samsung logo sometimes it even load up to where i start setup with googke account and alk that but getting stuck again and couldnt respond at all.

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