SM-G950F - Brick problem DRM error EFS failed [ Factoy binary ] - Samsung Galaxy S8 Questions and Answers

Hello,
Hello everybody
How are you ?!
Great community, i love this forum for the ROM & Kernel ^^
Seriously,
I've got serious problem !!!
App via playstore, has erased my phone, and not my SD CARD ....
I flash via ODIN a officially firmware, i haven't error message.
Problem boot, and this message on the recovery : EFS E: FAILED TO MOUNT /EFS (INVALID ARGUMENT)
I want to make the factory binary
for unlock OEM and install the TWRP for my problem, but it's doesn't works, loading, but no boot ...
Sorry for my mistakes, i'm French ^^
My problem :
https://www.hostingpics.net/viewer.p...873IMG0471.jpg
My recovery :
https://www.hostingpics.net/viewer.p...865IMG0466.jpg
My opening factory binary :
https://www.hostingpics.net/viewer.p...437IMG0468.jpg
he boot on the loading factory, but doesn't boot on the system.
And my message on the reboot :
https://www.hostingpics.net/viewer.p...888IMG0463.jpg
Cordially,
Olvers974

sm-950f efs (invalid agrument)
sir,
i've got the same problem as you do/did ... if u got the solution yet please tell me,
i've installed twrp but still can't mount efs partitian, my system status says custom
cant restore from anywhere. please help
my email:- [email protected]

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Hi Xda lovers...
My zenfone 5 Problem first is Stuck On logo USB... but i search in google... i can fix it...
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1.if I choice menu recovery, still back into droitboot again... (i think this zenfone no Recovery)
2. if i choice Factory Reset i got the massage like this:
E:Failed to mount /cache (no such fole or directory)
E:Unble to mount/cache!we reformat now!
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NEED HELP....Zenfone 5 t00f failed to mount "/system" (invalid argument)

my asus z5 stuck at loading logo. i used custom rom "clean stock rom" based Lolipop.
using TWRP 3.0-M2..
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Failed to mount /efs

Hello there!
Is there any way to fix this problem : Failed to mount /efs (Invalid Argument)?
I have no backup of /efs.
I can still flash things to phone.
Please help!
tastrain said:
Hello there!
Is there any way to fix this problem : Failed to mount /efs (Invalid Argument)?
I have no backup of /efs.
I can still flash things to phone.
Please help!
Click to expand...
Click to collapse
Try flashing right modem through recovery, or use Odin to flash stock rom or you can try kies to recover it.
Thanks for your reply.
Currently got stock rom on phone but it won't boot, it's stuck at Samsung logo.
Device is rooted and got twrp.
Kies is stuck trying to figure out the device that is connected. And when i try recovery of firmware or something of the like(Kies is installed in french) says this model cannot be reinitialized.
Also like i said i have no backup, so no recovery key for kies either.
But the internal sdcard is recognized by Windows.
Don't know what else to do. I had no problem flashing modem.img flashed OK and such.
Is it normal when in recovery mode when i run a graphics test it says error?
Is it just a bug from the recovery mode?
Hoorray! Found Something that worked for me i'd like to share with you. Thanks to this post : https://forum.xda-developers.com/s6-edge-plus/development/updating-t3210266
Many thanks!!

Unable to boot, Unable to mount system data and cache

Hi Hello everyone
I am having a lenovo a6000
I think its bricked so I need ur attention here
I was able to access fastboot and then booted into twrp recovery.
In recovery I noticed following message (unable to mount /system... Invalid argument, Unable to mount /data... Inavlid argument
Unable to mount /cache... Invalid argument)
I am able to mount memory card and usb
And tried to install stock rom but no success..It ended with some kinda error I don't Remember...
I also tried qpst, qfil and all the qualcomm recovery tools but no success(stuck on firehose(firmware) for about 30-40 minutes)
The time required for flashing through these softwares is max. 5-10 mins I think...
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I kindly req the devs to reply
Sorry for bad English
Thank you

Unkown IMEI (J730F)

Galaxy J7 2017 (J730F)
After resetting the custom rom in recovery, IMEI disappeared.
After uploading the official firmware with the ODIN program, the phone goes into the recovery mode and shows: "Failet to mount / efs (Invalid argument)"
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Sorry for my bad english :/

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