How to use an SD card of more than 32GB with Coldcard

in #coldcard11 months ago (edited)

Context: Coldcard is is my opinion the most secure bitcoin hardware wallet currently available.

Coinkite states that an SD card with a FAT32 or FAT12 partition is required for use with the Coldcard

Under windows this is only possible when the card is 32Gb or less,

Here are the steps to use with a larger SD cards.


  • Press start, Type "Disk Part..."


  • Delete all volumes by right clicking the volume on your SD card,

  • Create a volume of less than 32gb to be able to chose FAT32


You can now use this partition to put the .dfu file and update your firmware.


Why did you give me downvote?

why downvote on my post

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