Download the Latest Firmware
Download firmware from here and uncompress the ZIP-archive which contains a .hex file.
WARNING: You should backup all data from the device before upgrading!
- Set Nitrokey Storage into upgrade mode using the Nitrokey App
- For pre-0.7 firmware versions only: Reconnect the Nitrokey Storage
- Install dfu-programmer on your computer
- Open a terminal (DOS-style command prompt). On Linux the following commands need to be executed as root (sudo).
- Execute "dfu-programmer at32uc3a3256s erase"
- Execute "dfu-programmer at32uc3a3256s flash --suppress-bootloader-mem <HEXFILE>"
- Execute "dfu-programmer at32uc3a3256s launch"