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The Cruzer Blade is a USB 2.0 flash drive released by SanDisk.

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Broken stem on pcb SanDisk Cruzer Blade

Hello

Recently my parent’s flash drive had been physically broken and cannot receive power. I took off the plastic case and saw that the PCB of the flash drive and the stem were together. The physical damage of the drive has a line going across where the PCB and the stem head meet and does go across a few traces on the PCB. This is my first time dealing with something like this and I’m wondering what I can do. Any help would be really appreciated. Thank you!

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If you need to gain something on it you might be able to patch it together long enough to get your data. Otherwise it likely won’t hold up very long as a useful drive.

The tools you’ll need are not cheap! As you need a good micro-soldering microscope, a fine tip soldering iron with solder and some patching wire.

Basically, you need to solder a small jumper wire across the severed traces.

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After some research, I saw someone transferred the memory chip from the PCB to an identical PCB board. For tools where would I get these parts? I don't know how to solder but I wanna try to get the data off of the drive and that's it.

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If the data is important then patch the thumb drive. If you just want to play around then give that a try. You still need the same gear for either.

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@danj Thanks

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I remembered this YouTube which will explain a bit why transferring the flash chip to a new PCB is not easy either! StrangeParts - A Boy and His Microscope - A Love Story

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Your best bet with the exteme amount of damage is to transfer the flash to a new PCB, but the USB controller needs to match and it may take a few drives to find one that does. But, it’s easier then repairing these thin PCB USB drives that lack a dedicated connector one can easily replace without needing to match the contoller model.

It still requires expensive tools, but you’ll find it’s easier if you have a matching drive to transfer the flash too. If you’re just going to transplant the NAND flash, get a hot air rework station, a soldering iron, good solder and desoldering braid to remove the flash from the bad one, and then swap it over.

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In response to @danj - Here is an example of a damaged USB I repaired to get the data off (I know it’s not the cleanest job, but it worked!)

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I scraped off the coating to reveal traces on the board and tinned them with solder. Then attached the appropriate wires from a USB charger wire that I cut and stripped back. I agree with Dan that this is only to get the data off - I do not use this USB drive anymore because it is so easily damaged.

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wiseguy 70 zal eeuwig dankbaar zijn.
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