2

I have a rooted android phone running android 10. My 128gb sdcard with filesystem exFAT, had data of about 100GB. When I inserted it in my phone. My phone did not show the sdcard contents and asked me to format it. So I formatted it and sdcard worked normally. Then I tried to recover data by creating raw image of sdcard using

dd if=/dev/block/sdd  of=/mnt/meda_rw/BACKUP/sd.img

But this created sd.img of size 8MB which is equal to the size of current contents in sdcard(which android created automatically after formatting).

After that I looked up the mounted sdcard entry using df -h command, shown as :

/dev/block/vold/public:179,1    119G  8.6M  119G   1% /mnt/media_rw/AC8C-9FF9

Ran :

dd if='/dev/block/vold/public:179,1'  of=/mnt/meda_rw/BACKUP/sdd.img

This time, it created a raw file sdd.img of size 119GB.

I tried to recover data from the generated 119 GB sdd.img using testdisk, photorec, r-studio, disk drill etc. But none of them detected any file and showed 'Found 0 files & 0 directories'.

Note. My sdcard is stuck now in the slot & I cannot remove it as doing so might damage the pins.

Why dd cmd is creating sd.img of size 8MB only from /dev/block/sdd ?

Has the sdcard been completely wiped by android (during formatting process) due to which it is not possible to recover data now?

How can I recover data from sdcard now?

Improve this question
1
  • It is not possible to remove sdcard now. Is there any low level data recovery method within android ? I have chrooted linux in android phone. May be any linux utility could help ?
    – jonny789
    Commented Jul 7, 2021 at 6:28

1 Answer 1

Reset to default
1

For Linux, as specified in the comment, Foremost can be used. For the dd image Sleuthkit with Autopsy can help. Another option is to use SIFT Workstation, in a virtual machine, which contains tools that can also be helpful.

Note that the data can be recovered only if the SD card was not trimmed: If I reset my phone, will it also TRIM the fragmented eMMC?

Improve this answer

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .