# Elios 2 System update

## <mark style="color:green;">Latest firmware:</mark> <mark style="color:green;"></mark><mark style="color:green;">**v1.7 (January 2022)**</mark>

[<mark style="color:green;">**Release note**</mark>](https://knowledge.flyability.com/aircraft/elios-2/elios-2-system-update/elios-2-release-note)

{% tabs %}
{% tab title="" %}
**Avionic firmware v1 .7**

{% file src="<https://3798671238-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEUlQdNranSJ0ddu4qSxa%2Fuploads%2FLQVNWf2o9AgjHUsKKCem%2FELIOS2_V1.7.0_cf86171.bin?alt=media&token=0d35b2fd-5f83-4da3-b242-c47e11e72a23>" %}
*MD5: 18078F09CB3E426BEF9F5B717A7BB963*
{% endfile %}

**Camera v0.72a**&#x20;

{% file src="<https://3798671238-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEUlQdNranSJ0ddu4qSxa%2Fuploads%2FvbsXz0fNJkCZAD3Q57Xo%2Ffirmware.bin?alt=media&token=39337ccd-ef48-4f1a-9a09-4f28e413a476>" %}
*MD5: 1C324AA8656AE88749E627A1B09F4D47*
{% endfile %}

**Cockpit v2.8**

{% file src="<https://3798671238-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEUlQdNranSJ0ddu4qSxa%2Fuploads%2FWA9klZxmGKdzPY4smr1u%2FCockpit-2.8-full-release-a5a794c.apk?alt=media&token=55e19844-1d2f-46c0-a92e-a93e8da1eaf9>" %}
MD5: 246B3780217526A71D5A6993B938F080
{% endfile %}
{% endtab %}
{% endtabs %}

## **What's must to be done**

{% hint style="success" %}

1. Cockpit update via the tablet
2. Avionic update via SD card
3. Camera update via SD card *(not needed if already up to date)*

**Cockpit + Drone must be up to date before the use!**

If one of the component is not up to date, incompatibilities and bugs can result!
{% endhint %}

## **Important notice**

{% hint style="info" %}

* Don't rename firmware files
* Test flight must be done after firmware updates
* The firmware of the controller unit does not change and should remain at v1.2.10
  {% endhint %}

## Updating the Avionic firmware

1. Connect a PC to you drone using via the **USB cable,** or, remove the **LOG SD card**

<figure><img src="https://3798671238-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEUlQdNranSJ0ddu4qSxa%2Fuploads%2FBIbXP4mrpxwGr7dBaCcc%2FELIOS%202%20-%20SD%20Cards.jpg?alt=media&#x26;token=0435662d-69a1-4a1c-9468-ee795f7eb0d1" alt="" width="375"><figcaption></figcaption></figure>

1. Download and copy the [Avionics firmware binary file (ELIOS2\_Vxxxxx.BIN)](#latest-firmware-v1.7-january-2022) to the root of the Payload LOG SD card

{% hint style="info" %}
Make sure that no battery is connected to the drone while uploading the file via the USB cable.
{% endhint %}

2. Power up the drone with a fully charged battery
3. The firmware process will begin and the 4 arm sensors LED will blink quickly, in a yellowish color

   The drone may reboot several times, you will hear the start up chime.

{% hint style="warning" %}
Do not unplug the battery until the update process is completed. This can take up to 5 minutes

When the arms LEDs blink one after the other and slower in a yellowish color, the update is done, you can unplug the battery.
{% endhint %}

4. Plug back the battery and connect the GCS, go to Cockpit 'About' tab and verify the avionics firmware version

***

## Updating the Camera Firmware

1. Connect a PC to you drone using via the **USB cable,** or, remove the **LOG SD card.**

<figure><img src="https://3798671238-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEUlQdNranSJ0ddu4qSxa%2Fuploads%2FBIbXP4mrpxwGr7dBaCcc%2FELIOS%202%20-%20SD%20Cards.jpg?alt=media&#x26;token=0435662d-69a1-4a1c-9468-ee795f7eb0d1" alt="" width="375"><figcaption></figcaption></figure>

2. Download the [camera binary file (firmware.bin)](#latest-firmware-v1.7-january-2022) and copy the file to the root of the Camera SD Card
3. Power up the drone with a fully charged battery
4. The firmware process will begin&#x20;

{% hint style="info" %}
The LEDs will blink normally, please wait 2 minutes with the drone powered, then unplug it
{% endhint %}

5. Plug back the battery and connect the GCS, go to Cockpit 'About' tab and verify the camera firmware version.

***

## Update the Avionic firmware with Avionic SD card

1. Remove the Avionic SD card&#x20;

{% embed url="<https://www.youtube.com/watch?v=hYxQ9Wd2eGg>" %}

2. Place the SD card into you computer, download and copy the [Avionics firmware binary file (ELIOS2\_Vxxxxx.BIN)](#latest-firmware-v1.7-january-2022)  to the root of the avionics SD card
3. Power up the drone with a fully charged battery
4. The firmware process will begin and the 4 arm sensors LED will blink quickly, in a yellowish color&#x20;

{% hint style="info" %}
The drone may reboot several times, you will hear the startup chime, do not unplug the battery until the update process is completed. This can take up to 5 minutes

When the arms LEDs blink one after the other and slower in a yellowish color, the update is done, you can unplug the battery
{% endhint %}

5. Plug back the battery with GCS connected, go to Cockpit 'About' tab and confirm new Avionics firmware