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How to Transfer Data Between Nintendo Switch microSD Cards with OS-X

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With the official How to Transfer Data Between microSD Cards for Use on Nintendo Switch documentation being for Windows only, and the Reddit thread on the topic not coming up with anything that works on the latest firmware, I thought I’d write up a quick post on how I moved from a 128GB to 512GB card successfully using OS-X.

  1. Turn off your Switch by holding the power button for 3 seconds and selecting the relevant option.
  2. Remove your old SD card from your Switch
  3. Insert it into your Mac
  4. Run the following in your terminal
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    mkdir ~/Desktop/sdcard
    cp -r /Volumes/Untitled/Nintendo ~/Desktop/sdcard
  5. Insert your new SD card into your Switch and turn it on
  6. If an error message about your SD card not being readable pops up, close it
  7. Go to Settings – System – Formatting Options – Format microSD Card and format your card
  8. Once the files have finished copying on your Mac eject your old SD card and store it away for safe keeping
  9. Turn your Switch off, take your new SD Card out and insert it into your Mac
  10. Run the following in your terminal
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    cp -r ~/Desktop/sdcard/Nintendo/* /Volumes/Untitled/Nintendo
  11. Once the files have finished copying eject your new SD Card, insert it into your Switch and turn your Switch on
  12. If there is no error message, you’re all done!