General :: Can Mount Android File System Image?

Dec 10, 2013

So after a failed attempt to upgrade from CyanogenMod 10.1.3 to 10.2, I was unable to access /data or /sdcard because both systems were encrypted. I ended up having to factory reset my phone because it refused to co-operate or let me access my files. However, before I did that, I was able to run

Code:
adb shell "dd if=/dev/block/mmcblk0p2" > data.img
and

Code:
adb shell "dd if=/dev/block/mmcblk0p3" > sdcard.img

Which appears to have copied the raw partition images from the phone (at least, they're the right sizes).

According to my reading, Android (and, I'm inferring, CyanogenMod) encrypts filesystems using dm-crypt, with a AES-CBC ESSIV:SHA256 cipher, with the key being derived from the password using PBKDF2. Knowing the precious little I do about encrypted file systems, my guess is that if I configure the image in cryptsetup to create a drive mapping, I can mount the mapped drive and recover the data from the images.

According to /fstab.herring on my ahem, fresh, install of Android, the /data partition is in ext4 format whereas the /sdcard partition is vFAT. So, once I've gotten through the encryption on the partition images, they should mount normally, right?

I know that dm-crypt accepts plain, LUKS, LoopAES and TrueCrypt device formats. I'm inferring from the PBKDF2 extension that Android goes the LUKS route for encrypting. Is this conclusion correct?

Whether it's possible to decrypt a dumped android image? I'm really hoping that the cypher information is stored on the file system and not on some key file that I nuked in the factory reset. If it can, in theory, be decrypted, am I using the right tools to approach the matter? If so, I'll continue fiddling with cryptsetup and mount, but no sense in wasting time if it's an impossible task.

General :: Can mount Android file system image?


General :: Boot System File To Switch MicroSD Mount With Internal Memory?

Jul 3, 2013

A long time ago I had edited a file that is read on boot, in that file is written which one of the two 'partition' has to be mounted as what.

Basically, my 32GB microsd is seen as the internal memory of the device (which would be 12 GB), and the other one as micro sd. The result is that most application would go to the microsd by default, using thus 32GB for apps instead of 12GB.

This is because my microsd is failing. Changed with a new one, and now it is failing again. I suppose my phone has become a 'micro sd destroyer'. Cannot do anything about it, so better to use the internal memory instead of the card for main use..... So how do I switch back to normal mounting (micro sd as micro sd and internal memory as internal memory and not switched up) ?

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General :: Way To Mount System Root To PC As Disk Mount

Jun 14, 2013

Is there a way to mount the system root to pc as a disk mount cause I want to recovery data from it that I wiped.

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General :: How To Read / Write Ext3 File System Image In Ubuntu

Feb 18, 2012

I developed a cramfs rom for the np7 after user dochoppy found root for the nextbook premium 7 tablet, but he then converted to ext3 which because its packed with features will be more popular. So I am trying to edit his ext3 rom in Ubuntu 11.10 and here is what I do:

1. Copy and paste system.img to desktop
2. Create a folder called system on desktop
3. In command prompt:
cd ~/Desktop
Sudo mount -t ext3 -o loop system.img system
(Asks for pw)
4. Doc said something about only being able to edit as root, so after some Googling I find out how to create a program that grants root.
5. (Open "run as" program) then I type "nautilus /home"
(Asks for pw)
6. Navigate to mounted system and I have read/write privileges (but only in this window)
7. View the system mount properties, and it says I have 14.2 mb free space on device
8. Delete files throughout the system folder to make room (but when I refresh properties, free space increase doesn't show)
9. Try to add my own files after deleting some others, ans rather than using the increased space, it just fills the fourteen megs before telling me "device is out of memory "

why is the system not physically making the proper system increase and decreases.

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General :: How To Find List Of Available LOCALES (LANGUAGES) From ROM Image (file System)

Apr 11, 2012

How to find list of SYSTEM LOCALES (language list that we see in settings) from ROM file system image/file tree (assuming that /system can be mounted as folder)? Which files/folders have this information?

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Motorola Droid X :: Mount System - Mount Data

Oct 31, 2010

So I'm pretty new to rooting. On some themes or roms they require me to Mount System and Mount Data. I have clockwork recovery installed and when I select the option Mount System, it just acts like i didn't select anything. Is there something I'm doing wrong?

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General :: How To Mount System Partition

Jan 16, 2014

I have rooted my xolo a500s IPS using farmaroot but when I tried to mount system r/w for pushing some apps and removing some on system partition but it is not mounting because of that i cant make changes on system.how can I mount system partition

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General :: Huawei U8800 Ideos X5 V2.3.5 - Not Able To Mount System As Read / Write Properly

Nov 13, 2012

I'm having a problem with ES file explorer. After several days I managed to root my HUawei U8800 Ideos X5 (Android 2.3.5) and obviously one of the next steps is installing CWMR. Unfortunately I'm failing here too. I tried to copy the recovery.img to the .cust_backup/image, but it keeps to say copy failed. Root access was given and I checked all four boxes in root settings. Someone in a german forum told me to update the binarys in SU, which failed too (it says sth like copy su to /system -> failed!). I'm not even sure ES FE would work if the binarys would be current.

I already tried the app Mount /system (rw / ro). It didn't work with this too.

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Android :: What Is Radio Image / Flash Image / System Image?

Dec 7, 2009

It will be helpful if any one can help me out in understanding the concept of radio,flash,system image in android mobile device. Also why are they required? and what is their role in Device?

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General :: Failed To Mount /cache (no Such File Or Directory)

Nov 10, 2013

After using Odin to update firmware on my Galaxy Player 5.0 (model g70cwy/xaa), I can no longer get it to start. I get the Failed to mount /cache (no such file or directory) (see attached screenshot.

I tried the factory rest option, it does not seem like any of the options on this screen works.

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General :: Failed To Mount /sdcard (No Such File Or Directory)

Jul 31, 2012

i own a galaxy note n7000. i just update it to ics via kies. so i decide to root it. i read in some thread it said download the cwm.zip i do as the instruction but when i get into recovery mode and choose apply update from external storage the phone keep saying E:failed to mount /sdcard (No such file or directory).

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Android :: View Multiple Image With System Image Viewer

Sep 7, 2010

We can view an image with What if we have some images? How can we put the extras to let the viewer know we have /sdcard/a.jpg, /sdcard/b.jpg, /sdcard/c.jpg ? I hope to do this in a time because starting an activity is very expensive. Code...

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General :: Any Way To Take Image From System

Apr 20, 2012

I have lost an image,I use a normal image as a wallpaper. One day I made a backup of my rom and flashed another. As you understand I wiped my sd card. Finally I didn't liked the new rom and restored my previous. Now I see that image as my wallpaper but it does not appear to be in my sd card. It is only set as my wallpaper. If I will change wallpaper I will lose this image once and forever.

I tried to find that image again but with no result.Is there any way to take this image from the system? For example via a file explorer.

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General :: How To Access Android File System

Sep 25, 2013

My objective is to create a text file in an android file system.

Using java language, I am creating an app. It has a screen with a table of 3columns. Each time a user enters the table row and click on Submit button, the row entry should be created as a separate comma-separated file on an android device. So each time when the table gets updated with new entry and clicks a submit button, a new file is getting created on the device file system. So I am looking for the file connectivity to the internal device memory where I could open the files and access it.

I have done the same in Nokia mobiles using J2ME. But for Android, I am not able to find the device file path.

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General :: How To Restore Android System File

Apr 17, 2012

I had format my phone's system through cwm.

now i want to restore it but it just stuck when i power on my phone.

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General :: How To Install Stock System Image On Iconia A1-810

Nov 16, 2013

How to install a stock image on my Acer Iconia A1-810 tablet, I've been stucked in a bootloop, because I failed at rooting it, that i could partially solve using an update via the recovery (it failed but now my tablet can be launched at least). So now, I'd like to install a stock rom to make everything back to normal but I absolutely don't know how to do.

I tried via adb/fastboot but the commands aren't responding on the device.

Also the main problem is that it seems there are no custom recovery available (CWM) for this tablet.

Why I can't update my device using the OTA update (reboot + fail each time), I checked with root checker and others apps like that, no root detected (I uninstalled the root using the toolkit available here [URL] .........

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General :: Gain Root On Stock System Image

May 6, 2013

I own a complete backup of all partition of the LG P990 with stock ICS, made it with nvflash with a command like this,

Code:

nvflash -r -read <-partition number-> my_partition.img

for all the partition listed in the partition table.

I guess that in someone of that raw image file, (outputted by nvflash), is located the entry system partition, (PartitionId=23 for the LG P990 ICS partition layout).

It's easy for every linux user to mount the raw image file, simply with 'mount' utility.

Browsing them we can find as already hypothesized the entrie android system partition!

If I copying in it the 'su' executable compiled for my platform, it could work?

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General :: Temp Directories In Android File System

Apr 4, 2012

Are there any temp, volatile directories in the Android file system that get wiped once the device is off? In Linux we have /tmp, but this doesn't seem to exist in Android.

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General :: Restore Android Deleted System File?

Jun 11, 2012

2 days ago I tried to update my aunts sensation xl and told her that it is better to update its ROM from 2.3.5 to 4.0.3. So i created a google account in phone and added it in order to sync contacts....and after 2 hours, I thought that it has been synced...After upgrading device to ICS, and adding the previous account that i made before upgrading, I was waiting for contacts to restore, but nothing happend.. I opened the gmail account on PC and saw that there was no contacts. So the only way for me to restore the contacts is to find a way to restore them from Phone device. So,is there any software, either on phone or PC, to restore contacts from phone? or is there a way to have access to root folders and files of phone on PC to use a recovery program to restore "Contacts.db" file that was erased while flashing ICS?

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General :: Why Android Ignores /system/etc/hosts File

Jun 19, 2011

i edited /system/etc/hosts file but it looks that my edit is ignored by Android.

In "hosts" file i added line with text "1.1.1.1 customdomain" And then i used "ping customdomain" command in Terminal Emulator but i got error "unknown host am".

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General :: Why Android Not Support NTFS File System

May 14, 2012

why android not support NTFS file system. I think NTFS more speeder than FAT and FAT 32 and other file systems. So is it technical or patent issue? I think NTFS file system developed by Microsoft

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General :: Android Won't Boot After Modifying System File

Sep 28, 2013

I have a HUAWEI Y300-0100, and it comes with a funny feature: every time it can't connect to WIFI a popup message appears saying that if you switch to data plan charges may apply.

I am constantly switching between WIFI/no-WIFI zones so that message really bothered me, and I searched a way to disable it.

Presumably, the only way to do that is by modifying a system file called "build.prop". I already had my phone rooted so doing so wasn't very hard.I used Jota+ to change a setting from "true" to "false" (ro.config.hw******), and saved the file in the root of the SD card. Then, with ES File Explorer, I renamed the "build.prop" in /system to "build.prop.bak" and copied there the "build.prop" I previously saved in the SD root.All seemed to be fine, except that after rebooting my phone it could not get past the HUAWEI logo.

Android recovery mode seems to work, but I don't know how to use a lot of its options nor I want to do a Factory Reset if there's a better alternative.Is there a way to modify system files before booting Android? I really would like to try to delete the "build.prop" file and rename the "build.prop.bak" back to "build.prop".

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Android :: Cupcake Emulator Do Not Mount SD Card Image / Restore It?

Mar 25, 2009

I just download a cupcake branch of source code and build it. I configured Eclipse for a new SDK, and appear the things is works great, EXCEPT emulator. 1. I configured a new AVD as parameter i pointed my old sdcard.img then loaded and do not see my sdcard 2. then I back and configure another AVD with a parameter to create a new sdcard.img, when the emulator loaded I still not seen sdcard in emulator. 3. then I try to something like: emulator -avd myavd -sdcard mysdcard.img and there is still no sd card.

How can I restore my sd card in emulator.

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General :: Deleted System File On Android And Phone Doesn't Turn On

Aug 20, 2013

I deleted (accidentally) some system files, and then nothing happened, but i hit the restore or backup from setting and it went fine untill the loading screen, i mean it shut down then the first loading image fine and the next one doesn't load my system.. What can i do? (I think i know what software i shouldn't have deleted).

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General :: Android SDK Installed From Multiple Sources - System Cannot Find File Specified

May 18, 2012

I've searched to no prevail. id like to start developing apps but am having issues getting the environment set up. I have the jdk properly installed.

issue 1 (main major ):

I've installed the android sdk from multiple sources, but when i try to start sdk tools, the command prompt flashes/ opens briefly and i get this message:

"Failed to execute toolsandroid.bat: The system cannot find the file specified."

Do i need to change a PATH variable or something...

I cannot get eclipse to run. when i try to open the exe file ( because there is no short cut icon...?) it gives a message about not finding a companion library... ive try to change the properties in the file that is supposed to fix it, but it was already set the way its supposed to be. this is not major as i can use a different IDE.

so im completely lost as to th sdk tool. I just tried adding the file path to the android sdk ( PATH variable) and it still did not work... I also just tried start the android,bat file and the cmd promt flashes briefly saying somthing about xcopy is not an operable command...etc couldn't read all of it... I am on windows 7 home premium

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General :: Impossible To Root Android Tablet - Read Only File System?

Dec 24, 2013

I have a android tablet and I have tried rooting it and I get things like "read only file system" and I looked into it and my /system is read only.. Rooting is putting .su in the xbin or bin inside of the /system. But my /system is read only so i can't root my tablet?

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General :: Log File Of System Activity

Nov 17, 2013

Is there some sort of log file that will show phone activity? I don't have a password lock on my phone and don't need one, but I suspect someone is using my phone while I'm sleeping. Is there a log that might show events such as someone unlocking the screen and viewing my calls or other applications?

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General :: Tab Using UBIFS As File System?

Nov 27, 2012

I recently got to know, that my tab is using UBIFS as file system...what are the advantages compared to the normal ext2-ext4?

I thought about migrating to the ext filesystems, but if UBIFS is better, I'd stay on UBIFS...

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General :: How To Install System File On SE LWW For ICS

Sep 7, 2012

my problem is that when i turned on the power button of my se LWW. it's stuck at screen displaying "Free Experia Project".it happened due to i accidently format the system file...all those things needed to startup the phone is missing.what shud i do to fix my phone back so that i can start it like normal?

*I can only go to recovery when press+hold volume rocker button when it's starting up till that "Free Experia Project".

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General :: Delete File System

Dec 2, 2013

i have a thl w100 and i delete a folder on system, starting hence never got boot.works only via fastboot ou recovery. i can just copy the folder ? how ?

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