(SOLVED) Can't flash anything - Sprint Samsung Galaxy S8 Questions & Answers

I am aware of how the bootloader works. The firmware I'm trying to flash is the one I'm on downloaded from Updato. Odin keeps on failing. I've tried almost everything. The reason I'm trying to flash the firmware I'm currently on is because I am going to try to make root for v3 bootloader once I successfully flash the firmware in case I brick the phone. My model number is SM-G950U. My software version is G950USQS3CRE2. Here is a screenshot. View attachment 4696704

Solved
All I needed was a usb2.0 hub. Here is a picture. https://drive.google.com/file/d/1AI4F0GlkdJ7PpofwAJL-VqspD8Bk6qIs/view?usp=sharing

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Flashing Firmware / Bootloader / Modem

Hi,
I´m a neewbie to Samsung. My phone is a S6 SM-G920F, Baseband G920FXXU1AOCW
I came form an HTC and I´ve seen that flashing things are very different. So here are my questions:
1. I think, my bootloader is unlocked but I didin´t know for sure. So how can I check this?
(My HTV showed me this by using fastboot, didn´t know if there is fastboot with Samsung and how to start it - only know the download-mode and how to enter TWRP recovery)
2. Flashing firmware via Odin (i. e. from sammobile.com) means to loose my root again, right?
3. If I loose root, where do I get custom Firmwares and how do I flash them (if this is possible)?
4. If not, is it enough to flash bootloader and modem through Odin?
All answers are appreciated. Thanks in advanced.
Maybe someone can link me to an step to step instruction...
Fastboot is android doesn't matter who makes the phone.
If you flash a rom from sammobile then you will go to whichever stock you pick.
Other ROMs are available here. The phone is new. There aren't many yet. Cyanogen mod isn't available yet.
Root is available by flashing cfautoroot with Odin. You will need to get the specific one.
You can replace the recovery by flashing twrp team win recovery project with Odin.
You can flash boot loader and modem. Make sure you get the right region. The modem frequencies are different in different places.
You may find flashing a whole ROM even stock will fail. This is because the partitions are not the same size for all s6 stock ROMs. Don't ask me why. You can open the tar find which file stopped the flash delete it from the tar and flash again.
quatzar said:
Fastboot is android doesn't matter who makes the phone.
If you flash a rom from sammobile then you will go to whichever stock you pick.
Other ROMs are available here. The phone is new. There aren't many yet. Cyanogen mod isn't available yet.
Root is available by flashing cfautoroot with Odin. You will need to get the specific one.
You can replace the recovery by flashing twrp team win recovery project with Odin.
You can flash boot loader and modem. Make sure you get the right region. The modem frequencies are different in different places.
You may find flashing a whole ROM even stock will fail. This is because the partitions are not the same size for all s6 stock ROMs. Don't ask me why. You can open the tar find which file stopped the flash delete it from the tar and flash again.
Click to expand...
Click to collapse
Thanks for answering. My questions had an other intention, I think.
My S6 is already rooted and I have a custom recovery (TWRP) :good:
I would like to know if you have to flash a whole firmware or only bootloader/modem? Because I didn´t seen a post here for a full firmware yet.
I am not familiar with the differences between htc whole firmware and samsung bootloader/modem
Actually I am on Firmware G920FXXU1AOCW. But there are newer ones like XXU1AOE3 or XXU1AOE4.
In the days of my htc you couldn´t flash only bootloader or modem, you had to flash a whole firmware (like radio, drivers, bootloader, modem etc.)
Flashing only modem and bootloader will it update i. e. touchscreen drivers? If not, where do I get this ones? You know, because of root I don´t get OTA´s anymore...
The modem just controls how your phone hardware connects to carrier towers etc.
The boot loader is a tiny thing that tells the processor where and how to load the OS.
The software for pretty much everything is in /system.
Many of these releases are the same software, region specific. The dates are fairly unimportant for the same version number. They generally reference the time when they were uploaded by someone. Not that they have updates and fixes.
Just wanted to know can I change my phone logo MetroPCS to say T-mobile with all the T-mobile add on. I have a Samsung Galaxy s6 by MetroPCS

"debranding" the g920f with odin dont work

hello guys,
yesterday i bought a galaxy s6 (g920f). it got the 1&1 branding but its simlock free. i just read about, that i can use this fw G920FXXU1AOE3_G920FDBT1AODQ_G920FXXU1AOE3_HOME.tar (5.02), flash it with odin, after that a wipe and than update to 5.1.1 with smartswitch. than i got a complete debranded dbt firmware.
ok, thought it would be easy ;P - a ran in conflicts now. odin got errors on flashing. every time it failed flashing. i read about the "hidden.img". i should extract the firmwarefile with 7zip, delete the hidden.img and after that i have to make a new .tar (not tar.md5, cause i will get md5 errors in odin, already tested ) - still fail on flashing....
than i found a pit file, but i dont know how to handle that. i never done that and dont know, whats happening when im flashing it and i dont even know which i have to download.
here is the link http://forum.xda-developers.com/galaxy-s6/general/g920f-pit-file-banded-firmwares-t3118459
hope someone can help me.
best regards taker-`
//edit: meanwhile i triggert knox, so i tried to flash twpr and try to flash the dbt 5.1.1 firmware with the recovery....recoveryflashing also failed - why?
Are you using the official Samsung cable? Odin is very picky about usb cables. How many times did you try? I recently unrooted using Odin, and the first time it failed as well for no reason. I just reconnected the usb cable and tried again, then it worked.
i used the original cable, but i also tried a original cable from a galaxy s5 and s4. same error all the time.
i flashed my s5 with the same cable, same odin version...i want it on stock firmware, cause i sold it. that worked well, but with the s6, it dont work.
Flash this stock 5.1.1 ROM via odin to debrand your G920F.
http://www.sammobile.com/firmwares/download/52470/G920FXXU2BOG8_G920FDBT2BOG8_DBT/
roydok said:
Flash this stock 5.1.1 ROM via odin to debrand your G920F.
http://www.sammobile.com/firmwares/download/52470/G920FXXU2BOG8_G920FDBT2BOG8_DBT/
Click to expand...
Click to collapse
already tried. i cant flash anything. i dont know why. i use odin 3.10.6 and so on... i tried a kernel to obtain root, than flash via terminal twpr and than the firmware as a *.zip...
nothing is gonna work

Odin flash failed, device 3, binary 2. Help needed!

Hi,
I have a G920F, I was rooted and want to go to stock again. I have restored the device with Smart Switch, but now I am unable to flash any other rom. I have downloaded 3 different roms from Sammobile and get sw. check failed device 3 binary 2 at everyone. The current rom is form Italy Wind the latest OI9. Any suggestions?
Thanks in advance.
Hi, probably you trying to install oldest firmware 5.0.1, download the latest firmware and try again. You are with 5.1, right? This error on odin happens, because you cannot downgrade the firmware. Hope this helps.
I think you can not downgrade even if it is the same Android version.
If it detects you are on a newer bootloader it will give you that error.
What I belive you can do is to extract the bootloader (sboot) and modem from the .tar file and flash ONLY the system through Odin.
Don't know exactly how to do that because I haven't done it but I think that would do; you will have to search and read my friend.
You will have the stock firmware but with latest bootloader and modem.
Hope this helps.
Note: As far as I know this will work if its the same Andorid version; you can not have Android 5.0.2 with 5.1.1 bootloader.
jpdediego said:
I think you can not downgrade even if it is the same Android version.
If it detects you are on a newer bootloader it will give you that error.
What I belive you can do is to extract the bootloader (sboot) and modem from the .tar file and flash ONLY the system through Odin.
Don't know exactly how to do that because I haven't done it but I think that would do; you will have to search and read my friend.
You will have the stock firmware but with latest bootloader and modem.
Hope this helps.
Note: As far as I know this will work if its the same Andorid version; you can not have Android 5.0.2 with 5.1.1 bootloader.
Click to expand...
Click to collapse
Hi,
I have tried what you said, but no succes. The firmware was already recovered with smart switch so the bootloader is the latest.
raj_p said:
Hi,
I have tried what you said, but no succes. The firmware was already recovered with smart switch so the bootloader is the latest.
Click to expand...
Click to collapse
But did you try to flash without the bootloader and modem?

SM-G930F SW REV Check fail device 2 binary 1

Hey guys! I have a problem. I have flashed on my Galaxy S7 (Exynos version) the galaxy Note Fan Edition Port rom a couple of weeks ago, but now I flashed the latest stock firmware from Sammobile via odin and it always fails at the bootloader. I don't know why? I searched for many hours for a solution, but nothing works.... I hope somebody could help me
Here is the link for the note fan edition rom: https://forum.xda-developers.com/s7...-galaxy-note-fan-edition-port-vol1-0-t3633626
OEM unlock on?
Could also be that the latest bootloader prevents rolling back, so if you're trying to go from a newer bootloader to an older one it won't let you. You can probably just exclude the BL file and be fine.
Is that Fan Edition ROM you flashed not a S7 Edge rom made to work on the S7..! Maybe your phone shows up as a G935 now?
I have flashed android 8.0 manually from sammobile via odin and it got stuck on emergency recovery and I somehow got it into the download mode and every time I want to flash my stock firmware it says device 2 binary 1... I also flashed twrp recovery and wiped everything (system, data....) and tried again and it always fails in odin and says device 2 binary 1.. Im trying to find solution but everytime it fails. PLEASE HELP ME
daymonfeyenord said:
I have flashed android 8.0 manually from sammobile via odin and it got stuck on emergency recovery and I somehow got it into the download mode and every time I want to flash my stock firmware it says device 2 binary 1... I also flashed twrp recovery and wiped everything (system, data....) and tried again and it always fails in odin and says device 2 binary 1.. Im trying to find solution but everytime it fails. PLEASE HELP ME
Click to expand...
Click to collapse
Samething happened to me. I did the same thing u did but nothing worked.
Can someone plz help us to get odin download work again.
you should go for latest rom. download from here: https://samsung-firmware.org/model/SM-G930F/region/BTU/
You will be satisfy with this.
Hi! Same error but different situation.
I was on the latest firmware 8.0 ITV, I wanted to downgrade to nougat, so I downloaded the first 7.0 firmware BTU (the one that was the best for my S7).
I opened all the firmware files on odin 3.13.1 and I started the procedure but at a certain point everything stopped, on odin the message "failed" appeared and on the phone the message "sw rev check fail (bootloader) device 2 binary 1".
I tried with a different version of odin but the message remains the same, I also tried without flashing the BL file but nothing ... In the end I had to flash again the latest firmware oreo ITV and no errors appeared, but I find myself at the starting point
specific that my S7 has never had modding operations, the knox counter is perfectly at 0x0, I have always used only original firmware and never had problems with odin.
How can I downgrade without having in that error?
Hi just flash this version of latest nougat G930FXXS2DRDI, this is binary 2 firmware (XEO)

S8+ Flashing rom with bad port

So pretty sure the daughter board for usb is bad in my S8, I keep seeing the moisture warning message. Occasionally the message will go away so I try and plug the phone in to which I get an error in Windows that the "Device Descriptor" error, so basically Windows can't tell what it is, even trying to set the drivers myself made no difference. I've also tried in download mode but still get the same error.
I'm currently on PartyCyborg(With SS) so I can't take the official ota like I was going to as it errors out.
Can I flash a stock rom through flashfire or any other methods to get me back to stock and then I'll take the OTA? Just through my brief research I see that alot of people suggest to only flash system.img or AP and to not try and flash bootloader or anything else.
Any suggestions?
Same rom zip file can be flashed via flashfire but if u to go back to stock, then via Odin flash complete latest firmware of your region
I cant odin because the port is bad, Im stuck on PartyCyborg because I cant take an OTA so Im trying to get back to stock which I need to atleast flash my bootloader, I'm running factory binary basically for BL and think that's why it fails to update

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