You can check the firmware version on your Ledger Nano S device. The firmware is the software that's running on your device. New firmware versions can add new features, security upgrades or support for new applications.
Instructions
A device in use
- Connect the USB cable to switch on the device.
- Enter your PIN code to unlock the device.
- Go to Settings and press both buttons to validate.
- Go to Firmware version and press both buttons.
- The firmware version is the number displayed under Secure Element.
- The microcontroller (MCU) version is also displayed.
New, unused device
- Press and hold the right button. The right button is the one far away from the USB connector, closest to the swivel hole.
- Insert the USB cable while holding the right button until Recovery is displayed.
- Go to Settings and press both buttons to validate.
- Go to Firmware version and press both buttons.
- The firmware version is the number displayed under Secure Element.
- The microcontroller (MCU) version is also displayed.
Update the firmware
Follow the step by step instructions in the update guide to upgrade the firmware.