SD card reader on Nintendo Switch suddenly stopped working

Hey everyone,

So my SD card reader on my Nintendo iSwitch suddenly stopped working, and I decided to repair it myself. I ordered a replacement from AliExpress for the "HAC-SD-01" version.When the new reader arrived, I plugged it into my Switch along with my SD card, but the console wouldn’t boot at all. It just keeps getting stuck in a boot loop, showing the "Nintendo Switch" logo and then restarting.

I had a closer look and realized the version of the reader I received doesn’t seem to match the original one. After some Googling, I found out the one I got looks like it’s meant for a Switch prototype, labeled "X4." See the picture:

https://preview.redd.it/mk6yf6w6ednd1.jpg?width=3024&format=pjpg&auto=webp&s=788c4d282ce7d76f00e1f8239889b0150e4f39c5

Is it normal that this SD card reader doesn’t work with my regular Switch? Or could my motherboard be fried? Does anyone know what this "X4" prototype is?

Appreciate any advice! Thanks!

https://redd.it/1fb4hab
@r_SwitchHacks

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