S6 and failed to mount /efs (invalid argument) - Galaxy S6 Q&A, Help & Troubleshooting

Hello guys,
The initial situation is a bootloop on S6 (920F). At stock recovery appears e:failed to mount /efs (invalid argument).
I tried this thread to correct the problem --> http://forum.xda-developers.com/galaxy-s3/general/how-to-fix-efailed-to-mount-efs-invalid-t2858056
So I flashed the stock rom V5.1.1 (DBT) and twrp to have access to adb. Connection via adb is established (adb shell).
But if i sent "mke2fs /dev/block/mmcblk0p3" i become this error: Could not stat /dev/block/mmcblk0p3 --- no such file or directory.
What´s wrong, can someone help.
Thanks in advance

push

You fix it ? If not try 1 at the end instead of 3

hi
have you fix it ?

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dbdata.rfs file for my galaxy sl i9003

E:failed to mount /sdcard (files exists)
E:copy_dbdata_media
Can't mount /sdcard.
E:Can't mount /dev/block/stl10 (invalid Argument)
my phone is showing this message again and again after i last updated my phone and one error occured during the updating process..
there is a loop of booting. so i need dbdata.rfs file for i9003, plz helppp...
kishanpatel711 said:
E:failed to mount /sdcard (files exists)
E:copy_dbdata_media
Can't mount /sdcard.
E:Can't mount /dev/block/stl10 (invalid Argument)
my phone is showing this message again and again after i last updated my phone and one error occured during the updating process..
there is a loop of booting. so i need dbdata.rfs file for i9003, plz helppp...
Click to expand...
Click to collapse
Search for latona_20110114.pit, download and flash I9003XXKB3

Stuck in TWRP

Hello people!
So, i will tell all the story, i tried to flash a ROM in my Xperia Z3 (D6643), following this tutorial, the TWRP worked fine, even after installation the message was "Installation successful" then i rebooted. But nothing, just nothing, even TWRP :crying:
He vibrates when i tri to power on in any boot method, i can also connect in PC in fastboot mode.
I had rooted and unlocked bootloader, any solutions?
Edit: I flashed TWRP again and now i can enter in recovery mode, then i tried factory reset, theres the log:
Could not mount /data and unable to find cryptofolder
Failed to mount /data (invalid argument)
Unable to recreate /data/media folder.
Updating partition details...
Failed to mount /cache (invalid argument)
Failed to mount /data (invalid argument)
...done
Unable to mount storage
Failed to mount /data (invalid argument)
Failed to mount /cache (invalid argument)
Full SELinux support is present.
Failed to mount /cache (invalid argument)
Failed to mount /cache (invalid argument)
Failed to mount /data/media/TWRP/.twrps
Failed to mount /data (invalid argument)
MTP Enabled
Failed to mount /data (invalid argument)
Formating Cache using make_ext4fs...
Failed to mount /data (invalid argument)
Updating partition details...
Failed to mount /data (invalid argument)
...done
Unable to mout storage
Edit: I noticied the internal storage is listed with 0MB. Please help...
Edit: Ok i got it, i will let the solution if someone is having the same issue
CM 14.1 dont work on Xperia Z3 D6643, that was the problem, the solution was find a compatible ROM. In this case i used this one.
Pretty simple

galaxy J7 SM-J710F hard reboot faild

Hello xda teams
My name is Dereje even i don't know how and where i started about my phone problems, first I trying to open but it will start again off frequently then I trying to reboot again it will not then I decided to make flash by using ODIN again not even ODIN successfully completed all the threads but when I tried to reboot it says....
E: Error in /cache/recovery/log (I/O error0
# Manual mode v1.0.0#
----Applying multi-csc....
Applying the csc-code :EGY
successfully applied multi-csc.
successfully verify for dmverity hash tree
E: failed to mount /cache (invalid argument)
E: failed to mount /cache (invalid argument)
E: failed to mount /cache (invalid argument)
E: can't mount /cache recovery/last kernel manual
E: Can't open /cache /recovery/ last kernel manual
E: faild to find /misc partition.
this is it so please help me how to fix this problems.
my phone model is J7 (2016) SM-J710F
Thanks a lot

Help can not install root in Huawei P10 lite

I'm spanish speaking so I translate everything with google hehe
You will see I have a Huawei P10 lite WAS-LX3 with EMUI and android 8.0.0
I have opened the bootloader to root with TWRP and even there I guess
use TWRP v. 3.2.1 if I'm not wrong, since it was the only one that Huawei Multi tool accepted, I suppose that by updating recently
download Magisk v16 to root it (I am a new medium in this, some time ago I did it with a much easier j1) to be able to flash it with twrp but I get the following error (it even seems to have errors in previous processes, I get this:
Failed to mount ´/cache´ (invalid argument)
Failed to mount ´/data´ (invalid argument)
Unable to recreate /data/media Folder.
Updating partition details...
Failed to mount ´/cache´ (invalid argument)
Failed to mount ´/cust´ (invalid argument)
Failed to mount ´/data´ (invalid argument)
Failed to mount ´/system´ (invalid argument)
Failed to mount ´/vendor´ (invalid argument)
.. done
Unable to mount storage
Failed to mount ´/data´ (invalid argument)
Full SELinux support is present.
E:
unable to mount/data7media/TWRP/.twrps
Installing zip file ´/external_sd/Maigsk-v16.0.zip´
Checking for digest file...
Skipping digest check: no digest file found
***Magisk v16.0 installer***
!unable to mount partitions
- unmounting partitions
updater process ended with error: 1
error installing zip file ´/external_sd/Magisk-v16.0.zip´
Updating partition details...
Failed to mount ´/cache´ (invalid argument)
Failed to mount ´/cust´ (invalid argument)
Failed to mount ´/data´ (invalid argument)
Failed to mount ´/system´ (invalid argument)
Failed to mount ´/vendor´ (invalid argument)
...done
sorry if it was much, but I'm new I do not know if I can upload ss
but that is all the process history that I get when I want to install magisk
something similar I get with super your v2.82
help, I would really like to have the root access but with neither one of them allows me to install them and I really do not know what to do
This is a year old but may still work:
https://forum.xda-developers.com/p10/how-to/twrp-how-to-root-p10-lite-t3617418
(Google is your friend)

samsung galaxy s8+ problem

my friend gave his phone G955f,it was only possible to enter download mode,no recovery,nothing..not even boot samsung logo..after 2 days i finally flashed firmware...now i have new problem,flash was done with odin,3 different german firmwares and i always get the same result
buttons are responsive,i can restart phone,get into download mode but it is stuck on boot logo..i have deleted cache and factory in recovery menu and still nothing..
But in down left corner in recovery i get message:
#fail to open recovery_cause(No such file or directory)#
#Reboot Recovery Cause is UNKNOWN
No Support SINGLE-SKU
File-Based OTA
E:failed to mount /efs (Invalid argument)
supported API: 3
E:failed to mount /efs (Invalid argument)
E:failed to mount /efs (Invalid argument)
dm-verity verification failed...
Does anyone know why is that and how to fix it?
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