In order to take advantage of the new features and latest security improvements brought by the Ledger firmware 1.4, we strongly recommend our users to update their Nano S.

Bitcoin up Ledger .jpg
.

To know which firmware your Nano S runs, check it by opening the "Settings" on the Nano S itself: Settings > Device > Firmware

Please be advised that any cryptocurrency applications you have previously installed on your Nano S will have to be re-installed following the update of your device. This has no impact on your cryptocurrency accounts: you’ll retrieve your balances as soon as the apps are re-installed. As a reminder, uninstalling an app does not impact your coin account, nor does it impact your seed.

Updating the firmware of the Nano S won't wipe your seed. However, make sure your 24 recovery words are properly backed-up and accessible.

Firmare 1.4 update step by step instructions
Please follow these instructions very carefully.

Step 1
Launch the Ledger Manager on your PC/MAC, and connect your Ledger Nano S to your computer.

.
2pin code.jpg

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Step 2
Unlock your Nano S by entering your pin code on your device, let the Ledger Manager synchronize with your wallet, and wait for the dashboard to appear on your Nano S
.

.
4nanos dashboard.jpg

.
Step 3
Click on the firmware menu on the Ledger Manager application (top left corner)

.
Then, click on the green arrow on the “Firmware Version 1.4.1” line
.

.
Click on the green “Install” button
.

Confirm “Allow Ledger manager” on your Nano S by pressing the right button

8nanos allow manager.jpg

Your Ledger Manager application should show an installation screen

You may get the following error, “Unable to install OS updater”

If you get this error message, please uninstall some applications from your Nano S, and restart the update procedure.

Step 4

Wait for the “Update firmware” message to be displayed on your Ledger Nano S with several information checkpoints

11nanos update firmware.jpg

The firmware version number will be displayed on your device. Check the version number and make sure you’re installing Firmware version 1.4.1

.
12nanos version 1.4.1.jpg

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Check the update identifier on your Ledger Nano S. It must match the update identifier displayed at the bottom of your Ledger Manager screen

13nanos identifier.jpg

Then click on the right button on your Nano S, and wait for the PIN code prompt to show on your Nano S.

Type in your PIN code on your Ledger Nano S

16pin code.jpg

Step 5

Your Ledger Nano S will then display the following message: “MCU firmware is outdated”

17nanos mcu.jpg

Your Ledger Manager screen should look like this

Unplug and replug your Ledger Nano S while holding the left button, “Bootloader” should be displayed on your device’s screen

.
19nanos bootloader.jpg

Meanwhile, the Ledger Manager should show the “Restoring MCU” message

During the MCU update, your Ledger Nano S should display “Update”, then “Processing”, while your Ledger Manager application should display “Installing Firmware, please wait, this might take a few moments”

21nanos update.jpg

If for some reason your Nano S stay stuck displaying "Update", and the Ledger Manager does not show the message "Installing firmware" but the default page "To begin, connect your Ledger Wallet", so:

quit and launch again the Ledger Manager
disconnect your Nano S,
connect the Nano S again and unlock it by entering your PIN code
The process should start again.

23nanos processing.jpg

Wait for the “PIN code” message to show on your Ledger Nano S. Then, type in your pin code

24pin code.jpg

Step 6
Once you’ve typed in your pin code, check that the installation proceeded without errors on your device, by going to the “Settings” tab

25nanos settings.jpg

Press both buttons to open the tab. Then, go to the “Device” menu

26nanos device menu.jpg

Press both buttons to open the tab. Then, go to “Firmware” tab

26nanos firmware.jpg

Press both button to open tab and check that “Secure Element” version is 1.4.1

27nanos secure element.jpg

Click on the right button, and check that “MCU” version is 1.5 (screenshots below shows 1.4 but you should see 1.5)

28nanos mcu 1.4.jpg

Step 7
Your device is now ready and up-to-date. You can then install or re-install your own applications and use your Nano S.

Go to to the Applications tab on the Manager, and for each app you wish to install click on the green bottom arrow icon. If the application installation fails, please try first to disconnect your device and reconnect it.

The firmware 1.4.1 requires the installation of the Bitcoin application as a pre-requisite for most of the other cryptocurrency apps (the Bitcoin app acts as a shared library). We therefore encourage you to install the Bitcoin app even if you do not use this cryptocurrency.

296c5vxd94qttv2thfga4s5f2wpmc3ulsess544nv39v4z16ob0o.png

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