General :: Recover SDCard Without Losing Data
Feb 22, 2014
It appears as unformatted BUT, I know that the data is still there because the CWM manages to browse files if I get into the menu "install zip from /sdcard1", but it can't see anything if I try a "restore from sdcard1"...
So I have an ubuntu build and I'd like to try to repair the "masterboot" .
I never did this before so I don't really know what I need, SDCard is 32 GB class 10.
When I plug my phone from CWM and enable the mount the SDcard on usb I got this error message :
Error mounting: mount: /dev/sdb1: can't read superblock
Here is the result of the "fdisk -l" command :
Code:
Disk /dev/sdb: 32.0 GB, 32018268160 bytes
32 heads, 63 sectors/track, 31019 cylinders, total 62535680 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x4d544f4f
Device Boot Start End Blocks Id System
/dev/sdb1 2048 62535679 31266816 b W95 FAT32
Which actually looks weird, I thought that my sdcard were ext4 formated, well but I am not 100% sure about that...
Here the result of the command "fsck -y /dev/sdb1"
Code:
fsck from util-linux 2.20.1
dosfsck 3.0.12, 29 Oct 2011, FAT32, LFN
/
Contains a free cluster (2). Assuming EOF.
FAT32 root dir starts with a bad cluster!
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Sep 20, 2013
I got this 16G sdcard that from one day to another it stopped being recognized saying "blank card or has unsupported file system"
Besides the data, I had some applications installed on it.
I did tried to recover with a software, but even the software only can recognize space is occupied, but can't see it.
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Mar 12, 2014
Today android phones are coming with an internal storage which is called the internal sdcard. Because of this the need for external sdcards is vanishing day by day. But when your phone is factory reset you lost all the data stored in it while in case of external sdcard you have an option to save your data. If you accidently lost all the data stored in your phone then don't worry I have a solution to get it back. This trick will work on phones having mass storage mode support, if you are running android 4.1 jellybean and above then root your phone to get mass storage( the tutorial is different for different phones),
If you have accidently lost all your files, photos and videos from your phone then after this do not copy new files to the phone. This also include clicking photos and capturing videos. If you copy new files to the phone then you are actually reducing your chances to get back your deleted photos and videos and other files. In short just don't download anything to your phone, do not use the internet on your phone till the time when you get back your lost files back.
This trick will only work on android phones having mass storage mode and MTP (Media Transfer Protocol) options. If your device is rooted then you can enable mass storage mode on your android phone. After enabling mass storage mode you can get back deleted photos, videos and all files from the internal storage of any android phone.
Requirements
1. Recuva for Windows 7, Windows 8
2. A USB data cable.
Now Follow The Steps Below
-Download and install recuva. While installation do not uncheck any option.
-Now connect your android phone in mass storage mode. Connect it to pc a notification will appear in the phone, tap it to enable mass storage.
-Now open My computer and you will see Removable disk.
-Open recuva and click Next, on the next step All Files will auto selected. Again click Next. Then choose In a specified location and click Browse.Choose the removable disk or MTP disk here and click Next.
-In next step put a check mark in Enable Deep Scan and click Start.
-After scan is finished you will see the list of all deleted files. Green circles is means that file can be recovered while red circle means unrecoverable file.
-Now check the box next to Filename to select all files. Click Recover on the bottom right and choose Desktop .Your deleted files will be recovered.
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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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Mar 28, 2013
I was talking with a friend and he was saying that if I change to this rom ((wild for the night from Dastin) is likely to lose the 3G data connection and he said yes, but there is a script that is used to re-take, looking for script that really wanted to have this rom but I dont want lose my 3G DATA conection.
any way to install this rom (wild for the night from Dastin) without losing my 3g data.
My cellphone is the model samsung galaxy s2 epic 4g touch or SPH-D710,
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Mar 6, 2013
I recently went about updating my tablet, and in the back of my mind I was under the impression that TWRP would backup the internal sdcard's files during the normal backup, so I thought nothing of wiping the internal sdcard. Whoops. It, of course, didn't, and now I find myself with a whole slew of stuff gone. Not much else was written to the internal sdcard (which is on an ext4 filesystem), so I suspect that a good bit of my stuff can still be sitting there in the data graveyard.
Since I'm on Linux and can't mount the sdcard directly (since for some odd reason Linux has issues with MTP), all I've been able to do was this:
I booted the tablet into recovery mode and opened up adb, and ran the following command through the adb shell:
Code:
~ # dd if=/dev/block/mmcblk0p8 of=/dev/block/mmcblk1p1
Where mmcblk0p8 is the internal sdcard with the lost data, and mmcblk1p1 is an external sdcard. I thought that by running that command, I could create a carbon copy of each and every little thing on the old sdcard, write it onto something my computer could read, and then go through the normal recovery process. In this case I planned to use a Linux tool called "extundelete."
Here's where I get stuck. The sdcard appeared to have cloned correctly, given that the entire thing is now filled up and reads as an ext4 filesystem on gparted (when it was previously fat32), but now I can't mount it. And if I can't mount it, I can't restore anything. Here's what I get when I try to mount it:
Code:
Error mounting /dev/sdb at /media/user/57f8f4bc-abf4-655f-bf67-946fc0f9f25b: Command-line `mount -t "ext4" -o "uhelper=udisks2,nodev,nosuid" "/dev/sdb" "/media/user/57f8f4bc-abf4-655f-bf67-946fc0f9f25b"' exited with non-zero exit status 32: mount: wrong fs type, bad option, bad superblock on /dev/sdb,
missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so
So to sum it up, I accidentally wiped my tablet's internal sdcard using TWRP 2.3.3.0, and now I want to recover what was lost during the wipe. Not that it matters, my tablet is a Transformer Infinity.
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Sep 27, 2013
WIth my iPhone, I have my iTunes full backup. If I upgrade my phone to a new one, I just connect my old phone to the Macbook, do a full backup, connect the new phone, do a full restore, and my new phone has everything there.
My contacts, SMS messages, Settings, Pictures, Camera Roll, Apps, App data like save games and progress on games, you get it.
How is it on android? Suppose I have a Galaxy S4 I have been using for a few months. I have it set up, I have SMS messages on it, data, emails, I have 80% of angry birds complete, I have 2000 pictures on my camera roll, i have some MP3 music...
Then I upgrade to a Note 3. Is there a way to transfer all my data to the new android without losing it? Like I can on Apple?
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Aug 8, 2012
I have a SAMSUNG Galaxy SII, and a Sandisc 16 GB HD micro SD card, 3 days ago I noticed a notification that says:"SD card blank or has unsupported filesystem"
I tried several times to take it off and put it back but with no luck, I put the card in the card reader & connected it to my laptop, the laptop (windows 7) did't recognized it either, and it suggested to do FORMAT to the card, So I did, and choose to format to FAT32 system..I was sure that recovery programs will recover my photos and videos...
I tried 4 programs to recover them, no single photo was recovered, it just looks like a brand new Sd card now...the card now is working normally now...
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Jan 14, 2012
wiping my contacts and SMS. How do I go about recovering deleted files from internal storage (NAND)? And which files do I need if I only want to recover my contacts and sms?
attempting to recover them by following different tutorials, but no dice. Ive read an article where people were saying that if I take too long, I will not be able to recover my data.
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May 21, 2013
Today I have done wipes data and now, I need files from this. There are somehow recover this.
The smartphone is broken, the tactil screen don't respond, and i only can enter by adb in recovery sistem and too i can disassemble the smartphone.
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Dec 25, 2013
I have the following issue:
My old phone is a rooted htc vision (android 2.3). I want to transfer app data (savegames, settings, whatsapp verification, etc...) to my new phone which is an unrooted nexus 5.
I have titanium backups of my 2.3 apps but i can't use them on my nexus 5 as it is not rooted.
Is there a way to use the titanium backup files with helium (which works without root)?!
Or do i have any other opportunity to get the existing app data from the old phone to the new one without rooting the nexus?
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Sep 28, 2013
A friend of mine set a password on his Galaxy Note and then he forgot it.Now, I know the solution is to access recovery and wipe data/factory reset.
BUT unfortunately he has lot of pictures and videos stored in the phone memory, not on SD, and he'd like not to lose all of it.
Is there a workaround for that? The Note is stock, but I can work on it, if there's a way to unlock the phone without losing data.
SK17i using Tapatalk 2
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Mar 17, 2014
i want to move specific app data(/data/data/klb.android.lovelive and subdirectories) to sd-ext partition(/data/sdext2/)
Directory Bind or FolderMount are moving data in /mnt/sdcard/Android/data and obb files to external sdcard, which for devices with internal storage.
i'm not trying to move obb files or data in sdcard.
is there any way to move one app data to sd-ext? i don't want to move hole /data/data to sd-ext(data2ext)
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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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Apr 14, 2010
Is it possible to copy a file located on the sdcard to a package's internal filesytem located at /data/data/packagename/files/ folder?
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Jul 11, 2010
Is there anyway to unroot without losing music, photos, videos, etc?
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Jul 1, 2010
Unbranded, fully updated (2.1-update1), Desire. Three months old. No task killers installed. Just this past couple of days I've noticed it has not been showing the data connection symbol in the top bar, next to the signal strength bars. Try and connect to the internet or the market and get a 'failed' pop up window asking to either retry of cancel. Retry never works.
I go into settings > Wireless & Networks and disable Mobile Network, then enable it again and it flickers on then goes off again. Repeat this and it stays on for a while but always goes off again after about 20 minutes even though the Mobile Network is ticked green. Why is this happening? I'm missing emails because of this and it's a bit of a pain.
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Feb 14, 2010
Moment keeps losing evdo. Then the browser will timeout on all web pages. Email will not send or receive. Sometimes when this happens, I cannot text, or make a call. When it happens you can only see the up arrow on the left. Sprint store swapped it out for another Moment, and it did it in their parking lot. A few times after this happens I have to do a hard reset to get my email working again. Typing is slowing down on here as well.
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Jul 13, 2010
seemingly for no reason. running fresh 2.3.3, and whatever stock kernels/overclockers or whatever, come with it) i've searched on here but havent really found the answer.it seems about 50% of the time when i go to either the browser or maps (or something that uses GPS), i'll find no connection. toggling airplane mode seems to remedy data connection, but i usu have to reboot to bring GPS back up. anyone else having these issues?
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Feb 25, 2010
Is there any way to unroot my phone without losing data? i know exactly how to root and get it back to stock, but i realize this deletes all my apps. i know i can just redownload them from the market, but i dont want to go through all the trouble of setting all mynotification settings for like handcent, and locale, and stuff like that. is there update.zip that allows me to go back to nonroote 2.0.1 and have it appear just the way it was before i rooted? (with my apps and all my stuff still on it?)
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Mar 10, 2010
How to upgrade Android app without losing data ? e.g. I have a game which is using some preferences or sqlite data. which is associated with the android app. If app is already installed on device, it is not allowing the same app to install again. and one need to uninstall then reinstall app again.
so, if one wants to upgrade app with the older data then how will he be able to do it ?
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Aug 9, 2010
So I have juicedefender and I enable that at work to shut off my data for 50 minutes out of every hour. I disable the app when I return home so I can always be receiving data.
With that said, I will be texting my girlfriend, shut my screen off and the notification sound does not ring when she sends me a text. The only reason I know she sends me a text is because I will go to Gv on my laptop and see she sent me a msg.
I looked into my battery mode settings and it is setup to shut off data after 15 minutes of inactivity during non peak hours (midnight to 8am) and set to 60 mins or never for peak hours, however my phone was never inactive for that time period.
My question is, what else could be shutting my data on/off if juicedefender is disabled and my battery profile is set up correctly ( i even changed it to performance and i didnt hear the notification, yes the notification vol. is up)
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Aug 12, 2010
Does anyone use Juice defender? I downloaded it the other day and first thought it was great, certainly improved my battery life, but after a while i noticed that i kept losing my data connection even with the screen switched on, and also as soon as i finish a phone call, i loose my data connection and it takes ages for it to reconnect! anyone else had experience of this, or does anyone know of a similar app i could try?
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Sep 27, 2010
i noticed that on my inc,droid 1,and now the x,doesnt happened all the time but when it does i have to reboot or just let it sit for a while. ive tried task killer, no task killer
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Jun 14, 2010
After updating to 2.1, I lose my data connection about once or twice a day. No visible notification but the EV symbol at the top of the screen will always be "lit up" w/ the upload/download arrows showing no activity. I always have to switch the airplane mode on for a second and turn it back off. I have bluetooth automatically connect to my car when I'm in it and don't know if that's what is causing it? Anyone else having this issue and finding a cure? I updated PRL as well as firmware, but no luck.
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Nov 3, 2010
I'm writing a game for Android. When the user completes a level, they can restart from the next level if they lose (i.e. I need to store an integer to remember which level they got to). If the app is interrupted during play, I save the world state to disk (this is complex state storing a map and game entities).I'd like to keep my options open in the future for changing my game code and the way the world state is saved/stored. However, I must consider the scenario when a user has an old version of the world state on their phone because they were in the middle of a game, they upgrade the app and now the app cannot load the world state. Having to write code to migrate the old version of the data to the new version of the data would be a pain if there's some way I can avoid this. It would be nice if I could somehow ask the user to finish their current game in progress before updating. Can this be done? Are there any other options?
I don't intend to do this often. I'd like to iteratively develop my game while getting some early feedback, but this is difficult if I must fix how the world state is saved and restored now.I hope this doesn't seem a silly question, but on a PC or a console it's perfectly OK to have games that you cannot save during a game or you can only save between levels. I'm just finding Android a bit of a pain here as you must have a save game strategy for all games.
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May 13, 2010
Have anyone notice yesterday anything strange in the downloads/active install data from your apps? My app lost more than 100 downloads(which should be impossible) from which most of them were active installs, so now my apps is 15 places down and my percentage of active installs badly affected. Has anyone else been affected?
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Aug 6, 2010
I have an application made up of an ExpandableList, whose children are data collection widgets like CheckBoxes and EditText. Once data is entered, it is immediately lost when the list is scrolled.
What may be the problem or solution?
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Oct 1, 2010
I have had an app on the market for few months now. Today one of my users called with a very strange problem. The app worked fine for a few days. Then today they are unable to run it. The colors of the icon changed. The name of the app chnaged from the usual display name to the package name.and it FCs immediately upon startup. This is an app with thousands of installations. Has anyone experienced this situation before?
I am guessing corruption on the device and would like to suggest a re- install. However, how does one do a re-install without losing the data.
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Feb 4, 2014
I first noticed this maybe late last week where my phone would appear to have data (bars and the 3g/4g symbol) but not actually being able to connect to things. I'd enable and disable airplane mode to reset things and it would work for awhile.
Yesterday, I contacted Sprint about this because it is fairly annoying. While paying closer attention, I started noticing that my data worked with 4G but would not with 3G. In Settings -> More Networks -> Mobile Networks - > Network Mode: I changed it from LTE/CDMA to CDMA. When the phone rebooted, I was on 3G and the data worked. When I changed it back to LTE/CDMA 4G would work but 3G would not. I've also tried Automatic and 4G works but 3G does not. Needless to say, I spent an hour with customer support and their best solution was to just leave it in CDMA mode. When I complained that I'd lose my 4G service, the tech asked for my zip code and after a moment told me 4G was unavailable in my area. I've been using it for more than 6 months, was using it today, and have seen the sensorly maps showing 4G availability......
It definitely seems like a phone issue over a network issue because the 3G network is clearly working if I can use it when I've disabled LTE. The most annoying/frustrating issue is that the phone claims to have 3G but nothing works.
Phone: Samsung Galaxy S4
Provider: Sprint
Android Version: 4.3
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