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Is data recovery possible for this sort of crack?

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Tetsujin
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Jush42355
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1 Answers1

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No sorry. You can be 'virtually' 100% certain this broke the NAND. As long as the NAND is intact there's a chance but it would still be a major undertaking.

Now assume data is vital, and you find a lab that even sees a remote chance to pull it off, chance of success would be so uncertain and so much effort would go into this, price will be astronomical or the lab will require a considerable attempt fee but probably both.

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To give an idea.. See those stacked dies, connected by microscopic bondwires. Anything broken in there is beyond repair.

To be absolutely certain first step would actually require an x-ray of your microSD card and then determine location and dimensions of the NAND but I am willing to bet money on this being a mission impossible.

Joep van Steen
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  • Thanks for your reply. I sent the picture to DriveSavers who said “we have new technology that may make data recovery possible, even for a break like this.” Is this still reliant on the NAND chip being intact or is there a remote possibility of retrieval even if the NAND chip is affected? – Jush42355 Jan 27 '23 at 06:43
  • @Jush42355, SD cards are manufactured by 7nm process (by 2019 years). So if the chip is broken they should map two peaces with preciseness of these 7 nm. Which is (IMHO) practically impossible. – Romeo Ninov Jan 27 '23 at 07:50
  • @RomeoNinov I read online that data can be retrieved from just one of the chip pieces as well? – Jush42355 Jan 27 '23 at 07:56
  • @Jush42355, even if they read the chip then it's need to reconstruct filesystem, directories (if any) and files. So my personal estimation is they may recover 1 file from 1000 (optimistic) :( – Romeo Ninov Jan 27 '23 at 08:13
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    @Jush42355, call their bluff and explain this is their chance to proof this capability to the World - of course no charge for you. – Joep van Steen Jan 27 '23 at 13:18
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    @RomeoNinov, it's worse than that. If they manage to dump chip you basically have an non error corrected, scrambled 'binary blob' that is nowhere close to a file system yet. With some 'luck' ECC algorithm isn't even supported yet. – Joep van Steen Jan 27 '23 at 13:21