Soft brick galaxy s7 g930f - Samsung Galaxy S7 Questions and Answers

i cant enter in the rom i have bootloop and in the recovery appearsh E:Failed to mount efs(invalid argument) pls help
I took several days like this and I can not take it to the SAT

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[Q] smsung Galaxy indulge.. stock in system recovery

i looked all over the forum, and i didn't find anything im going crazy .
I tried to restore my Sammsung Galaxy indulge to stock with Odin buh it fail .
i cant access to home screen it reboots and it goes str8 to recovery . do not know wat to do no more plz help.
i also get this error . E:cant mount /dev/block/stl12
(invalid argument)
# MANUAL MODE #

[Q] [HELP] N8000 : E: failed to mount /efs (invalid argument)

Hi guys ,
I really appreciate all the help you could do to me ,
I have a problem , that I can't install any custom rom and the error i receive is "E: failed to mount /efs (invalid argument) "
So I tried to flash the stock rom via odin after downloading it from sammobile and it did flash it but it stuck on samsong logo
tried flashing TWRP and installing Cyanogen but with no luck , stuck on cyanogen logo
tried omnirom and Gnabo , and the same problem it stuck on the logo ,
and when i go to the mount section on the custom recovery , "efs" is not mounted and it shows 0mb size
tried CWM and same problem
tried using adb while in CWM but I can't get a shell , it says file not found when using"adb shell" command
I tried re-partitioning using a "pit" from a post (not 100% sure it is for the same region but is said for n8000) and it finished successfully but still with the same problem
any ideas ?
Take it to a service center.

need help with my galaxy s7

Please help i got stuck on samsung logo when i tryed to root my phone
i installed twrp over odin and then i flashed superSU but i got stucked
i tried to wipe data, cache etc. but twrp shows me:
unable to mount storage
failed to mount /data (invalid argument)
please help
Flash the stock firmware through odin. Which model+csc phone do you have?

samsung j7 max

is there any custom rom for j7 max
i have a problem in my samsung galaxy j7 max (m-g615f)
first i rooted my device and try to change imei after that imei brock so i used application called sam fix tool 1.3 after that my phone bricked
when i install stock firmware it just stay in samsung logo
when i enter to recovery it say :
No Support SINGLE-SKU
Supported API: 3
E: failed to mount /efs (invalid argument)
help pls developers
mhocine47 said:
i have a problem in my samsung galaxy j7 max (m-g615f)
first i rooted my device and try to change imei after that imei brock so i used application called sam fix tool 1.3 after that my phone bricked
when i install stock firmware it just stay in samsung logo
when i enter to recovery it say :
No Support SINGLE-SKU
Supported API: 3
E: failed to mount /efs (invalid argument)
help pls developers
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Samsung problem

Question How to fix Samsung note 5 (SM-N920C) (E: failed to mount / efs (invalid argument) error with FRP lock on.

Hi Please help! I recently tried to unroot my galaxy note 5 (SM-N920C) but got an FRP lock once the device restarted. After watching some tutorials I managed to bypass the FRP lock by flashing the stock firmware, but then started getting this error (NOT REGISTERD TO NETWORK) when I tried to make a call. Now after trying different solutions to fix the network issue my device can't boot past the Samsung logo and displays (E: failed to mount / efs (invalid argument) error in the recovery mode.
I have searched for solutions but most suggest I flash TWRP via odin but that can happen since the FRP lock
is back on and my device can't boot so I cant remove my account manually. If anyone knows how to fix
this please help.
You can use odin or any software and install stable rom. This can flash stock rom. You need partition information table. You can get it from same Samsung model using adb shell.

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