I recently encountered an issue where a friend asked me for a microSD card that is blocked from writing. He wants to use this SD card in his Nintendo Switch, but I can't format it due to the write protection. I've tried using DISKPART, but that didn't help either. Is there any method to unlock the SD card so it can be used?
3 Answers
It sounds like the microSD might be in protection mode, which often means it's not functioning properly. Sometimes these cards can lock themselves for data recovery purposes when they fail. You could give formatting a shot with the tool from sdcard.org. Just start with a standard format and if that doesn't work, try a full overwrite. But honestly, if you manage to get it working, I wouldn't trust that card for important files going forward.
When a flash device locks like that, it often indicates that it has failed. It's not too common for a new card to die suddenly, but it does happen sometimes. If that’s the case, you might need to consider getting a new card.
Check if he's using the microSD card with an adapter that has a physical write protection switch. They usually have a slider on the side. If the switch is moved to 'lock,' it would prevent writing.
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