Hardware 3DS Micro SD card not usable?

[EthanDaHacker]

So I have a hacked 3ds and right now and my Micro as card is “read-only” and It won’t let me put files on to it. It is not that I have no more storage, I have 200 gb left. And some files are also missing on the as card.

 

[TurdPooCharger]

Check if your SD card is fake, faulty, or dying.

1. Copy everything off the SD card to a computer.
2. Quadruple reformat.
3. Full Write + Verify the empty card in H2testw. Do not skip.

 

[EthanDaHacker]

I tried coping and It wont let me copy because its "read-only"

 

[TurdPooCharger]

I tried coping and It wont let me copy because its "read-only"

If yours is a standard SD card, make sure its slider pin is set to the unlock position like this.

Edit 1 - Read-only mode should allow you to copy folders and files off the card to a computer.

Edit 2 - Sorry, misread. You have a micro SD card. See this explanation in what happens when a flash storage devices goes into read-only mode.

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Check my signature for replacement SD cards.