Nitrokey Storage 2¶ First check the: Getting Started Frequently Asked Questions and the product guides: Firmware-Update Manual Firmware-Update What is needed Install Balena Etcher Installing the USB image with Balena Etcher Booting from the USB stick Restoring the USB Stick Factory Reset or check out the features: U2F TOTP OpenPGP Card Encrypted Mobile Storage Hidden Storage Automatic Screen Lock (Linux) ECC