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I've noticed that it's fairly easy to recover accidentally deleted files from spinning hard drives using any decent recovery software (for example, Recuva or Testdisk/Photorec), as long as I don't wait too long after deletion. But recovering accidentally deleted files from flash drives, SD cards, or SSDs in the same way seems impossible, even if I try to do it right after deletion. The recovery programs can see the files names and meta data, but the recovered files are gibberish. Opening them up in a hex editor shows random bytes. Why does this happen? Does flash storage do something weird with unallocated sectors or wear leveling that prevents standard data recovery programs from working? I thought that wear leveling, etc. happen only on write, so theoretically recovering deleted files should work in the same way. Anyone have any ideas?
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Nov 10, 2014 18:53
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| # ¿ May 16, 2024 18:20 |
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Don Lapre posted:Have you tried photorec/testdisk Unfortunately yes, as I mentioned in the OP. Testdisk has the same behavior as Recuva (sees filenames and metadata, but recovered files are gibberish), and PhotoRec scans but doesn't find files.
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Nov 10, 2014 19:07
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