My Switch doesn't detect the microSD

isredelpo2009 · Mar 10, 2026

I took it out, put it back in, restarted several times, cleaned the reader, and it's still the same. I'm using a 128 GB microSDXC. I have the latest firmware version (21.2.0). I tried it on another console and there were no problems. I don't know how to solve this

The Switch that detects microSD is from 2019 and is patched, while the one that doesn't detect it is one of the first ones that came out (2017).

I need help, please.

fvig2001 · Mar 10, 2026

Well the problem is that the Switch has a terrible design on the reader that they only fixed on the lite and OLED.

What I would do:

Check the connector as V1/V2 has a small chance of the connectors getting pulled by the card reader. This can happen when inserting too many times, dropping the switch or just removing the sd card reader.

Usually it just causes 1 bit mode but who knows if it took out more. Check if there are missing pins on the connector. It will be hard to replace the connector.

Other possible case is the reader just randomly died.

Have you tried a different SD card on the Switch itself? Like my OLED has HWFly and I basically have to update the SD Loader every firmware update or else it won't detect my 1tb SD card.

zxr750j · Mar 10, 2026

Indeed inspect the connector visually.

I replaced the reader with one from a Chinese shop, fixed it for me.

purple_bandit · Mar 10, 2026

The connection for the microsd reader is notoriously flimsy and prone to ripping the pins out. Mines has broken 5 (FIVE!) times and I just had it fixed a few months ago again.

If you're lucky it MIGHT just be the reader is faulty. That's a $5 fix for a new reader off eBay. Take the back off carefully and see if the reader is connected securely. Order a new one and see if that fixes it.

If you're unlucky the pins are damaged on the FPC connector on the motherboard and will need to be replaced and micro-soldered a new connector on. The connector is just $5 but you'll need to pay $40/50+ to someone to solder it if you can't do that yourself.

8 pins on top and 8 on bottom. If any are broken it'll need replaced.

The Real Jdbye · Mar 10, 2026

purple_bandit said:
The connection for the microsd reader is notoriously flimsy and prone to ripping the pins out. Mines has broken 5 (FIVE!) times and I just had it fixed a few months ago again.

If you're lucky it MIGHT just be the reader is faulty. That's a $5 fix for a new reader off eBay. Take the back off carefully and see if the reader is connected securely. Order a new one and see if that fixes it.

If you're unlucky the pins are damaged on the FPC connector on the motherboard and will need to be replaced and micro-soldered a new connector on. The connector is just $5 but you'll need to pay $40/50+ to someone to solder it if you can't do that yourself.

8 pins on top and 8 on bottom. If any are broken it'll need replaced.

View attachment 561312

A few of them are ground and it doesn't matter if one of them is broken/missing. Most commonly, it's the corner ones that break. Keep in mind even if it looks visually perfect and nothing is loose it can have cracked solder joints preventing normal functioning. In my case everything looked OK and tested OK with a multimeter (one of the ground pins were missing but other than that) between the test points and FPC legs, so there must have been a cracked solder joint causing intermittent fault but the pressure from the multimeter probe while testing was enough to make contact.
You can solder wires from the test points directly to the microSD slot, bypassing the FPC connector rather than replacing it, but the pins are very small and difficult to solder, I did not have much luck with it, I could get the first wire soldered on but trying to solder a wire next to it would always desolder the first one because the space is so tight. Or a wire would simply break off at the solder joint while trying to maneuver the wires or the SD reader board. It's a highly frustrating repair.

My Switch doesn't detect the microSD

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