Is the efs partition encrypted - Galaxy S I9000 General

Hi,
when i copy bml 1,2,3 etc. I can mount most of the partitions in linux using the loop mount. I cannot do this with the efs partition. Does anyone know how to decrypt it? A work around is to copy the files themselves.

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How to edit data.img and system.img from Nandroid backup?

I am looking at modifying the contents of the data.img and system.img files that were created by nandroid.
I've looked around, but came up empty.
How can I do this?
outsider787 said:
I am looking at modifying the contents of the data.img and system.img files that were created by nandroid.
I've looked around, but came up empty.
How can I do this?
Click to expand...
Click to collapse
I just recently learned that you have to unyaffs them. Not sure how to recomplie (is that the right word?) them after you make edits though.
I've been trying to get the system.img file mounted on the device itself (since it has yaffs2 built into the kernel), but no luck so far.
Has anyone else have had any success mounting these .img files from within the android OS?
Yaffs won't work that way since the image isn't a block device. It has to actually be on a block device to mount.
Ok.
What if I make a partition on my SDcard, somehow write the data.img file to that partition, and then mount that partition.
Would that work?
I have only one problem. I don't know how to write the .img file to a partition.
Anyone have any idea?

[Q] Boot partition access

On Root Explorer or other similar file explorers, the 'boot' partition seems to be missing, hidden or not accessible. Even Mount Manager can't find it. I think it's not a partition to be accessed as it is needed for booting.
The main reason for this thread is for http://forum.xda-developers.com/showthread.php?t=1196426. When backing up boot.img, it fails. I think this isn't directly related but the problem seems to occur to both the system and the user.
jhonnyx1000 said:
On Root Explorer or other similar file explorers, the 'boot' partition seems to be missing, hidden or not accessible. Even Mount Manager can't find it. I think it's not a partition to be accessed as it is needed for booting.
The main reason for this thread is for http://forum.xda-developers.com/showthread.php?t=1196426. When backing up boot.img, it fails. I think this isn't directly related but the problem seems to occur to both the system and the user.
Click to expand...
Click to collapse
I think this is due to the boot partition being extracted, which is why there's the /sys folder with the kernel in. Not all folders are from the system.img, you find that by extracting it
Quinny899 said:
I think this is due to the boot partition being extracted, which is why there's the /sys folder with the kernel in. Not all folders are from the system.img, you find that by extracting it
Click to expand...
Click to collapse
Thanks. Forgot about the distribution of components throughout different partitions.
Boot.img is not a folder, it makes up the filesystem structure, so in the boot ramdisk, there are files such as default.prop, init.swift.rc which are in the root filesystem (in root explorer) The ramdisk inside boot.img is what mounts all the partitions and prepares the filesystem. So it is set to mount the /system, /data partitions etc. The devices 1st bootloader (Hard bootloader) reads this partition then boots from it. Then the boot partition will load the Linux kernel, and begin to boot android.

[Q] Trying to recover Snapchat folder

Hi,
I am using the following tutorial to recover my snapchat data folder from my phone. http://forum.xda-developers.com/gal...emory-data-recovery-yes-t1994705/post34185439. I have gotten to the part when I mount and format the VHD. When I use Recuva or Puran File Recovery I don't get the files I need. Is there a recovery software that searches for ALL files, specifically files that end in .nomedia?
Just to make sure I am mounting the right partition, everything from
/data/data/com.snapchat.android/cache/received_image_snaps
would be in /dev/block/mmcblk0p23 which is the userdata partition, is that correct?

Data recovery internal storage - how to create image with dd of /storage/emulate/0

Hello!
Unfortunately I have deleted internal storage in TWRP recovery.
Now I want to try to restore the files using Testdisk / Photorec.
The directory of interest is: /storage/emulated/0/DCIM
Is this directory located on a specific partition?
If yes, which partition?
And can I create an image of this partition with dd?

[GUIDE] How to properly backup your partitions using TWRP

Hi XDA, as most of you are aware, my phone's efs partition was corrupted through too many rom installations, I have recived a new Pixel XL as part of google's warranty and want to teach you how to properly backup your partitions using TWRP.
General steps (REQUIRED):
Download TWRP 3.2.0-0 image (link coming soon, for now just check any ROM forum)
fastboot boot it (fastboot boot *file path*)
Without Storage:
Skip the copying of /data/media steps and you will be fine!
With Storage:
Go into the file manager
navigate to /data/media
make a copy in /data
There should be a copied /data/media folder
click backup and refresh sizes, you will see that the data partition has increased significantly
backup all partitions ONE BY ONE (if one partition goes wrong, you don't have to erase everything)
Use a file transfer program (I use Air droid) to transfer this backup to your computer

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