by Jakub

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Assuming you're talking about an SD card, there's a possibility with some cards with very easily shifted write-protect tabs to get shifted into read-only position upon insertion into certain readers, and shifted back upon removal, by any slight friction. I've had this happen a couple of times, and it seems like kind of a perverse design to me (I've actually ...


The lock switch on an SD card is a simple physical mechanism. The card reader feels for a gap where the lock switch should be, and if it feels a gap it write-protects, but if the tab is there it enables write. (If the lock switch breaks off, you can put masking tape where it used to be, in order to be able to write to the card. It's basically the same ...

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