Did you ever find an Symbian based Nokia phone containing an SD in your drawer after many years? Now you want to see if there are any worthwhile photos on there. Where is the charger with the tiny coaxial power connector again? Do you still have it? Nevermind. You will just take the SD card out and put it into a laptop. What’s that? No new drive shows up! Nothing happens. Just like “Magikarp used Splash!” in a Pokémon game. Did the old SD give up the ghost? Not necessarily. It might just be locked with a password by CMD-42
Tag: SD
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SD Password Functionality and Transcend RDF5
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SD Card Write Lock [Linux Laptop] [Android Tablet]
SD cards are really versatile and powerful storage media. Unfortunately much of their interesting functionality is more or less unused. You will have quite some fun reading the easily available PDF file “SD Specifications Part 1 Physical Layer Simplified Specification” (currently version 9.10 with >400 pages).
Two features are of great interest for me: write lock and password protection. This entry will be (again) about setting SDs to read-only.
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