Check the firmware version

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
  1. Insert the USB cable to switch on the device.
  2. Enter your PIN code to unlock the device.
  3. Press the right button to select to the settings menu and press both buttons to enter.
  4. Navigate to Settings > Device > Firmware. 
  5. The firmware version is displayed under Secure Element.
  6. The micro controller version is displayed under MCU.
New, unused device
  1. Press and hold the right button. The right button is the one far away from the USB connector, closest to the swivel hole.
  2. Insert the USB cable while holding the right button until Recovery is displayed.
  3. Press the right button to select to the settings menu and press both buttons to enter.
  4. Navigate to Settings > Device > Firmware. 
  5. The firmware version is displayed under Secure Element.
  6. The micro controller version is displayed under MCU.
Update the firmware

Follow the step by step instructions in the update guide to upgrade the firmware. 

Settings.jpg

Device.jpg

Firmware.jpg

SecureElement141.jpg

MCU15.png

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