Update Firmware of Nitrokey Storage

Download the Latest Firmware

The latest firmware version is 0.48.0. Download .hex file from here. Older releases are here.

Firmware Upgrade

WARNING: Version 0.45 (and potentially other versions too) destroys all encrypted data! You should backup all data from the device before upgrading!

  1. Set Nitrokey Storage into upgrade mode using the Nitrokey App. The default firmware password is '12345678'.
  2. For pre-0.7 firmware versions only: Reconnect the Nitrokey Storage
  3. Install dfu-programmer on your computer (see here for macOS)
  4. Open a terminal (DOS-style command prompt). On Linux the following commands need to be executed as root (sudo).
  5. Execute "dfu-programmer at32uc3a3256s erase"
  6. Execute "dfu-programmer at32uc3a3256s flash --suppress-bootloader-mem <HEXFILE>"
  7. Execute "dfu-programmer at32uc3a3256s launch" (older versions of dfu-programmers: "dfu-programmer at32uc3a3256s start")

Nitrokey - Made in Berlin