Step-by-step guide

To update your ZERO, you will need the following items:

  1. A computer running on Windows or macOS. We recommend using Windows 10 or greater and macOS 12. If you use a laptop, make sure it is charging.
  2. Your ZERO fully charged.
  3. The ZERO USB cable.
  4. If your computer has no USB port, use a USB adaptor.

IMPORTANT: Before starting the update, please make sure you have made a backup of your Perfect Key or Seed.

To upgrade your ZERO to version 1.1, we will proceed in 3 main steps:

  1. Downloading the Firmware Updater installer.
  2. Installing and starting the Firmware Updater.
  3. Upgrading your ZERO by following the steps in the Updater tool.

NOTE: To use the new coins, you need to update the LIQUID app on your mobile device to version 1.3.1.

Download your Installer
Choose your operating system to proceed with the upgrade of your NGRAVE ZERO: Windows or Mac OS

1. Download the Firmware Updater Installer

Step 1 - Download the Updater Tool Installer above

This tool will install the Firmware Updater on your computer.

For Windows:

Download the Updater Tool installer for Windows

Double-click on the downloaded .exe file.

If the file does not appear on your screen, go to Documents > Downloads and double-click on the file NGRAVE+Update+Tool_1.1.2_setup.exe

For Mac OS:

Download the Updater Tool installer for Mac

Double-click on the downloaded .dmg file.

If the file does not appear on your screen, go to Finder > Downloads > double-click on NgraveFirmwareUpdaterInstaller.dmg > Then click on the location NGRAVEFirmwareUpdater in the sidebar.

It will direct you to the NGRAVEFirmwareUpdater location. Double-click on NgraveFirmwareUpdaterInstaller.

The following pop-up will appear:

Click on OK. This is a warning because Apple has not officially approved the software yet.

If the updater tool doesn't start after you press OK then go to System Preferences > Security & Privacy.

Go to the General tab and click on Open Anyway.

2. Install and start the Firmware Updater

Step 1 - Install the Firmware Updater Tool by following the steps in the tool.

You need to first install the Firmware Updater Tool on your computer to then fetch and install the latest firmware update on your ZERO.

Follow the steps on the tool:

Step 2 - Once you installed the update tool. You can start the NGRAVE Firmware Updater.

Now the Firmware Updater tool is installed on your computer. It is time to start the Firmware Update.

For Windows:

Go to your start menu, you should be able to see a new folder NGRAVE Upgrade Tool. You can double-click on it.

For Mac OS:

Go to Finder > Applications > NGRAVE then double-click on NGRAVE Firmware Updater.

Then you will need to double-click on NGRAVE_Update_Tool to actually launch the Updater.

Step 3 - You should now see the following screen open on your desktop:

It can take a few seconds to launch.

3. Update your ZERO using our Firmware Updater

Step 1 - You can now follow the video guide!

If you prefer, you can also follow the steps below the video. If you wish to do so, please go to Step 1 bis below.

Step 1 bis - Launch the NGRAVE Firmware Updater Tool

Carefully read the instructions on the screens.

Step 2 - Follow the steps on the Firmware Updater tool

You will see the Release Notes and you will be asked to download the new software.

Click on Download.

Step 3 - Wait for the download of the firmware

You are now downloading on your computer the latest version of the ZERO firmware that you will soon be installing on your cold wallet.

After the tool has downloaded the firmware update, it will cryptographically check the integrity of the file. This way it is impossible to install an update that is not signed by NGRAVE.

Step 4 - When the download is complete, click on Continue

IMPORTANT: At this point, you do not need a connection to the internet. If you wish, you can proceed to disconnect your computer from the internet and continue the update offline.

Step 5 - Follow the steps on the screen

Step 5a - Connect your ZERO to your computer via USB

If your computer does not have a USB port, please use an adaptor.

Step 5b - Turn on your ZERO on and enter your pin code

Important: Make sure before starting the update that you have made a backup of your Perfect Key or Seed.

Step 5c - Go to settings on the top right of your ZERO

Select Firmware update and then Next.

Read carefully the instructions on the ZERO, press Reboot.

IMPORTANT: Do not disconnect your ZERO while it is in Update Mode.

At this point, the screen will turn off and the LED light on the top left of the ZERO will become orange. That means that your ZERO is in update mode.

Step 6 - Once the device is found, press on Continue

If the updater tool does not find the ZERO, these are some checks to perform:

  1. Check that your ZERO is correctly connected to your computer.
  2. Make sure that you have completed Step 5c correctly and you have pressed Reboot on your ZERO.

The ZERO not being found could happen if you connected the ZERO after it rebooted into update mode. For it to be discovered, you need to connect the ZERO while it is powered off & boot while staying connected. Turn you ZERO off and start back at Step 5a.

Step 7 - Wait for your ZERO to update

Do not disconnect your ZERO from the computer.

The update can take up to 10 min.

Step 8 - Once the update is done, click on Finish

Step 9 - You are officially done with your ZERO firmware update

You can now safely disconnect your ZERO from your computer. Click on Exit to close the tool.

Step 10 - Check your firmware version in ZERO

Go to Settings on the top right part of the screen and then go to About this device.

You will now be able to see that your firmware version has been updated to v1.1.

Congratulations, you updated your ZERO's firmware!

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