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This is the latest version of the Calliope mini bootloader firmware. It can be applied to all releases.

  • unplug USB
  • keep RESET pressed and plugin USB back in
  • copy attached kl26z_calliope_if_crc.bin file to the MAINTENANCE drive
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Flash this file to the Calliope mini if it comes up only with the MAINTENANCE drive. If it does not react, press RESET and plug in the USB to force MAINTENANCE mode. Then copy the file (0234_mini_if_p02.hex) to the drive.