General :: Root Partition Data Recovery?
Jul 17, 2013
Not so long ago I flashed a custom rooted ROM. After this I realized that I forgot to save some important app configs (im history, notes). As far as I know, Android uses ext4 filesystem on its root partition. Is there a way to perform undelete or any other method to try to recover deleted files? Searching the forums gives some results of repairing data on internal storage, but I guess the user data space is meant, not the root. My device is Huawei U8850 Vision, Android version 4.1.2.
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Apr 17, 2012
My rom bootlooped somehow, and I was forced to clear the data partition. Now I want to recover the messages and put them in the (clean) rom.
I extracted /data/data/com.android.providers.telephone/databases/mmssms.db from the nandroid backup before I cleared /data.
I tried copying these files into the rom but the messaging app doesn't show any difference. Is there a way to salvage the messages?
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May 3, 2010
I am pretty sure I have root, as if I open emulator and SU It goes $ to #. I am running build "2.19.605.1 CL123435 test_keys" and everything seems stable. It's funny that I'm running 2.1 because I never flashed the ROM, I couldn't get past recovery partition set-up.
When I try to press power+up volume all I get is the yellow triangle exclamation point with the android cartoon. This is where I stopped on my first attempt. When I powered the phone back up, it's running 2.1.
Can I re-download the recovery partition .zips and re-flash the root ROM to start all over? I'm thinking my DL's of some of the recovery images may have been corrupted. I'm thinking since I have root, re-flashing the root ROM shouldn't hurt anything right?
Kinda green here, it took me a long time to realize why there a bunch of different files with the same name, but not the same contents (pmb). I'm assuming that's the only filename that the boot loader will recognize.
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Nov 22, 2012
I got the cat /proc/mounts here -
Code:
root@android:/ # cat /proc/mounts
cat /proc/mounts
rootfs / rootfs ro,relatime 0 0
tmpfs /dev tmpfs rw,nosuid,relatime,mode=755 0 0
[code].....
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Apr 6, 2014
I have the OG Motorola Droid A855. I installed the 4.1 Jelly Bean mod onto it. I'd like to move my apps to the sd card - however, the "Move to SD Card" option on my phone is grey and unusable.
I'd like to do so with Clockworkmod recovery. However, I cannot do so because my Clockworkmod recovery does Not have the partition SD Card option (it is v2.5.0.1).
How am I supposed to partition my SD Card without this option within Clockworkmod? What is another way to do so?
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Sep 4, 2012
Just as I said in topic - I runned out of memory on my SGSII on internal and sdcard and moved some pictures to /data/myfolder by using Root Explorer, then I've accidentaly deleted it. Is there any way to get the data back?
1) I cant mount /data so it can't be visible on My Computer
2) I couildnt find any app on Market which could recover deleted files from /data partition
EDIT:
Maybe there is a way to make a FULL IMAGE of data partition so I could scan it from my PC with some software for lost files? somehow?
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Nov 1, 2013
I got a notification that my filesystem start to be full, I was really surprise so I take a look to it with the shell and here is the result
root@android:/data # df /data/
Filesystem Size Used Free Blksize
/data/ 2.0 G 1.9 G 59.2M 4096
root@android:/data # busybox du -sh *
200.0kanr
336.5Mapp
[Code] .....
336M + 222M + 217M = 785M
So where is the others 1.2G ?
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Feb 2, 2012
How can i permanently store custom ringtones on root/system partition? if i store custom ringtones on internal or external sd, profiles are messed up every time i connect my phone in mass storage mode.
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Oct 26, 2013
Recently a strange partition (storage area?) Appeared on my phone. it is simply called 'data' and it would seem my phone has set this as the new default app installation area. it's 3gb in size..
When I plug it into the computer, The other storage (internal and sd card) are unavailable, as is normal, but this data partition can still be accessed.
How can I transfer over this data back to internal storage (the internal storage on my droid 4 is 8gb) and set the phone to use the internal storage as the default storage space?
Phone is rooted.
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Sep 29, 2013
I have a Mocordroid with scp6820a cpu rooted
First some objections:
1- The sdcard is used in vfat filesystem, move simplely /data folder to sdcard will be cause some problems
2- Copy /data to /mnt/sdcard/data will not work completly because we got some error of permission
Code:
adb shell
Code:
cp -r /data /mnt/sdcard
cp: can't create directory '/mnt/sdcard/data/misc/bluetoothd/FA:2B:B7:4E:90:59': Invalid argument
cp: can't create symlink '/mnt/sdcard/data/data/org.mariotaku.twidere/lib': Operation not permitted
cp: can't create '/mnt/sdcard/data/data/com.estrongs.android.pop/files/comm/tool_port': Operation not permitted
cp: can't create symlink '/mnt/sdcard/data/data/com.toss.removeappwidget/lib': Operation not permitted
[Code] .....
So first thing i change size of sdcard, decreasing the partition size, and add a second partition with 3 Gbytes using ext2. To do this
Unmount the sdcard in settings>storage>unmount sdcard. I need discover where is the partitions
Code:
fdisk /dev/block/mmcblk0
[Code] ....
For secure i reboot device, and umount card again. So format the second partition
Code:
mke2fs -t ext2 -m0 -b4096 /dev/block/mmcblk0p2
And reboot again. This was hopeful action that it would recognize the card. But not ...
Code:
# mkdir /mnt/sdext
mount -t ext2 /dev/block/mmcblk0p2 /mnt/sdext
mount: No such device
mount -t ext2 /dev/block/vold/179:2 /mnt/sdext
mount: No such device
In My Epic Fail I was not successful
BEFORE that I wrote i try several tentactivies, apps but i m thinking that use adb will be the more better.
What is the best way, my internal device have less than 200 MB internal, so is too little !!! Maybe i will need change fstab or init scripts.
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Mar 15, 2013
is it possible to repartation the internal Storage on a i9100?
2Gb for Apps is too small.
And i not using 11GB for files
Can i modifi the Pit file with PIT Magic
I want 4 GB for Apps and 9Gb for files
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Apr 22, 2014
My phone has 4GB internal ROM with below partitions:
1. mmcblk0p1 1024 ebr1
2. mmcblk0p2 10.00 MB protect_f ->EXT4
3. mmcblk0p3 10.00 MB protect_s ->EXT4
4. mmcblk0p4 750.00 MB android ->EXT4
5. mmcblk0p5 376.00 MB cache ->EXT4
6. mmcblk0p6 1.20 GB usrdata ->EXT4
7. mmcblk0p7 1.27 GB fat ->VFAT
Now, mmcblk0p7 (1.27 GB of vFAT) partition is used as sdcard1 but I also have a 8GB of mnt/sdcard partition. So, the mmcblk0p7 partition is totally useless in my phone. My questions are:
1. Can I add/merge mmcblk0p7 partition with mmcblk0p6 (/data) partition?
2. Or, Can I re-size/increase my mmcblk0p6 (/data) partition from mmcblk0p7
3. Or, Can I make the mmcblk0p7 as a swap partition like linux OS?
My Phone info:
Chip: MTK 6572
Android Version: 4.2.2
Basebad version: MOLY.WR8.W1315.MD.WG.MP.V1.P1, 2013/07/13 13:02
Kernel version: 3.4.5
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Sep 26, 2013
how to sanitize my phones' internal memory.
I have an HTC ONE, and a Samsung Galaxy S4 that I am trying to sell. I know that it's fairly easy to recover data from a wiped partition by using programs like "TenorShare Android Data Recovery", unless data has been written over them at least once.
I had taken pictures of some documents containing highly sensitive data with the phone, and would like to make sure that those documents are not recoverable by the next user.
Neither of them have the USB Mass Storage option in the settings, so I can't just use some secure wipe program.
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Jan 30, 2013
I'm planning on increasing my EXT2 partition space to around 4-5GB as I only have 100mb left of 2.5GB.
Do I have to copy and paste my EXT2 files to my main partition of the SD Card and change the partition size and paste it back into EXT2?
Is it also possible if I do this without having to lose all of my data?
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Oct 8, 2013
I am running rooted stock Android 2.3 on LG E405 (no working 4.x ROMs exist for the device)
I have two questions:
1) What is the shell command to manually make android allow the PC to mount androids' (internal) partition as USB-drive? (I cannot think of right keywords to google this one up - )
2) How does android determine which partition is which (i.e. which one to remount for the PC when connecting in "USB storage" mode), beside vold.fstab and init.rc? On android 2.3 that info is not in "framework-res.apk", so where is it? In the partition table itself?
I had switched data partition with internal sdcard partition.
Here's how: Phone had a very small "/data" partition on /dev/block/mmcblk0p21 and large internal "/sdcard" partition on mmcblk0p20
So I reformatted mmcblk0p20 (ex-sdcard partition) into EXT4 and mmcblk0p21 (ex-data partition) into FAT32
Then I changed init.rc to mount mmcblk0p20 as /data type EXT4 and mmcblk0p21 as /sdcard type VFAT (mounting /sdcard was commented out in stock init.rc for some reason). This required modifying my boot image.
I have also set correct partition number in vold.fstab:
[#]dev_mount sdcard /mnt/sdcard auto /devices/platform/msm_sdcc.3/mmc_host[/#]
So basicly I now have a large /data partition and small internal /sdcard. I'm able install up to a gigabyte of APKs and it works fine.
However, when I connect to my PC via USB into "USB Storage" mode, the phone seems to still try to unmount what was previously sdcard partition (/dev/block/mmcblk0p20), instead of what is NOW an sdcard partition (/dev/block/mmcblk0p21) I can still send files to the phone via wi-fi and ADB, but the ability to mount it directly would be nice.
If I accidentally select "erase internal sdcard" from storage menu, that will also most likely erase what is now my /data partition, softbricking the phone. The "factory reset" option will probably only corrupt the sdcard.
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Oct 19, 2012
I'm have been trying to create a second partition on my sd card using miniTool Partition Wizard.But in the end I never get a 2nd partition but just a smaller first one.My approach is as follows:
insert empty SD card (FAT32, 4GB)
open miniTool Partition Wizard
right click on SD card - "Move/Resize"
choose 1gb for unallocated space after - click ok
right click on 2nd partition and choose "create"
create 2nd partition with FAT32/Ext2/Ext3 (tried all options already) and "primary" and Cluster 4KB - click ok
Apply
Afterwards my SD card is still shown as one partition, but this has just 1gb less capacity then before.Neither the Wizard nor the phone detects the 2nd partition then.
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Aug 26, 2012
I can't figure what is exactly meaning the Partition Sdcard values in CWM.
I have an i9000, with 8Gb of flash. Some are system reserved. Available is around 6Gb.
When i run CWM, i can partition my sdcard, but i don't see what means the possible values (for 256 to 4096).
This is obviously not ruling the space left on /sdcard mountpoint (i partition to 2048, i still have nearly 6Gb available)... So what exactly means partition sdcard from CWM ??
i can't find an answer, and i dislike, when flashing rom, following commands i don't really master (generally a partition SD 2048 / SWAP 256 or SWAP 0).
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Sep 3, 2010
I feel like such a moron for not knowing this. I used the one click method for rooting a week or so ago, and im currently running kaos froyo v30. I'm looking at running xtrROM4.0.6.1 and it says in the installation instructions that "YOU MUST HAVE A ROOTED PHONE WITH THE AMON_RA RECOVERY PARTITION"
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Oct 26, 2010
I don't like how Samsung gives us a nice 250gb drive but chunks it into two ~100mb partitions with a little left over for the hidden recovery one. I want to keep the recovery partition but have the remainder in one nice big drive. I tried out Easeus Partition Master but that doesn't seem to allow me to do what I want. Does anyone have any suggestions on how I could do this?
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Jan 14, 2013
I have bought a cheap chinese phone that had a 4g rom. 512mb is mapped to data as p3 and p4 is mapped to internal storage which is 2g.
I have managed to work out how to delete partition4 and extend partition3 as they follow on from each other.
However how do I remove all links to it in the system as it still tries to mount it on boot even though it isn't there.
I have removed the line from vold.fstab and that just crashed the external and internal sdcards and the storage section inside the system settings.
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Oct 3, 2013
I have recently purchased two HDC Galaxy S4 EX phones which have the MTK6589T 1.5GHz CPU and 2GB RAM/32GB ROM.I have been trying to get a CWM Recovery installed on it as well as rooting it but so far I have had no luck at all.
Firstly, I tried using MTK Droid Tools to modify a dump of my ROM and uploaded the recovery back to the phone using this procedure: URL....I did this by dumping the ROM off phone 1 (which I was avoiding starting up until I had a stock ROM backup) while I was playing around with phone 2. Phone 2 was booting into recovery mode by holding VolumeUp + Power and booting into a chinese factory mode by holding VolumeDown + Power. The recovery mode was very basic and did not have CWM.
I dumped the ROM from phone 1 with SP tools, created a modified recovery image with MTK Droid Tools and downloaded that to phone 2. I could not load either recovery mode or factory mode any more. No matter what key combination I tried the phone would just boot normally. I flashed back the unmodified recovery image and had the exact same problem. It wasn't until some time later I tried booting phone 1 and found it did not boot into recovery mode at all either . Unfortunately I only dumped the ROM from phone 1 and not phone 2 so I don't have a copy of the recovery image that seemed to boot ok on phone 2
So anyway, I have tried flashing a whole heap of recovery images from all sorts of HDC S4 sources but I have never been able to boot into any form of recovery mode with any of them. They ALWAYS just boot normally using either volume up or volume down. I'm not sure if that is because all of the images are for the 1.2GHz CPU instead of the 1.5GHz CPU.
The second problem is that I cannot root this phone at all.I have tried the motochopper exploit which seems to be the only root option I have found for these phones (there are lots of options but they all appear to be the same tool).When I run that root tool it copies the pwn, su and busybox to the phone fine but whenever it runs the pwn script it just comes up saying "Failure" without any explanation why.The same thing happens when I try to use the root option with MTK Droid Tools.So I'm at quite a loss right now, I can't get a CWM recovery image working and I can't get root....
I've tried flashing some of the HDC S4 ROMs but so far none of them have booted (I'm guessing because it is the MTK6589T model?).The only option I have had is to flash back my original ROM dump.
Is there any way to alter a recovery image to change the boot keys it uses?Are the boot keys even defined in the recovery image? is it maybe something else like the preloader or boot image I should be trying to change?I can't wait to start customizing my own ROM for this phone...
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May 20, 2013
Rooting and clockworkmod recovery.
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May 1, 2014
just I want to know is it possible to flash recovery IMG without root access ?
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Sep 30, 2012
Can i develop an app (apk) that reboot android in recovery without root? I have possibility to add to push my apk in /system/app/
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Feb 6, 2014
Now I have G-tide E77 Chinese android mobile
How I can root it and flash cwm recovery ...
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Aug 20, 2012
So I followed the tutorial found here: Samsung Galaxy S2 GT-I9100G: How to root on Android 2.3.6 Gingerbread and install ClockworkMod Recovery
I did option #1 and set up my device, and the program said the phone was set up. Now every time I turn my phone on a boot screen comes up with a yellow triangle with a yellow ! in the middle.
I can't go the the special boot (where you hold up, down, and power) and I can't do anything at all.
How can I reset my phone?
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May 3, 2012
how rooting works. I read that stock recovery doesn't let us flash packages not signed by the manufacturer, and that's the reason for custom recoveries (they don't check). So my question is how do we get recovery to flash the root package in the first place? Or is it the fact that I have a Samsung with an unlocked boot loader?
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Nov 29, 2012
Any guide to root the device Haipai x720D and i have seen different ways of doing it but a lot of them are in another language or appear not to be really trusty so i am afraid of trying any of them and end up with a brick..
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Jul 27, 2013
I have accidently overwritten some photos on my Google Nexus 7 and would love to get them back. I`ve tried various recovery programs on Windows but none of them can read my tablet in MTP mode and I can`t connect it in mass storage mode. I have read that one way is to make a VHD image via RAW of the hard drive onto the pc, where the recovery programs can access it. The trouble is I I think have to root the tablet which i don`t really want to do
1) Is there a way of creating this file without rooting?
2) Any recovery program that uses MTP?
3) If I really HAVE to root, whats the least destructive way of doing this?
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Mar 24, 2012
A flashable zip i can use through recovery that will backup all downloaded apps in /data/app and the application data that goes with the applications.
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