stackyFACTS
Technology

The lock on your memory card isn't really a lock

HERE’S THE INTERESTING PART

Tiny electronic squares heavily feature a tiny sliding yellow lock on the plastic edge to brilliantly prevent overwriting important files. This minuscule switch does not actually trigger any internal mechanism inside the heavy card whatsoever. It entirely relies on the actual camera or laptop physically noticing the switch position and politely choosing to actively respect your wishes.

The lock on your memory card isn't really a lock
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