# Hideez Key firmware updates

#### Hideez Key 3 firmware:

{% file src="/files/QP5sSd8EqLpeTWtt1JO1" %}

#### Hideez Key 4 firmware:

* Boot Loader Version 4.4.0

{% file src="/files/8VzBEiwz0fRMXUMxdYct" %}

* Boot Loader Version 4.4.9

{% file src="/files/hbL58g2V4EqZYTEIE8Is" %}

{% hint style="info" %}
You can find Boot Loader Version of your key in the interface of Hideez Clients.

{% endhint %}

{% content-ref url="/pages/-M5v24bBXJ4olkx82Piy" %}
[How to update the Hideez Key (Enterprise) firmware](/hideez-key-enterprise-edition/updating-firmware.md)
{% endcontent-ref %}


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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://enterprise.hideez.com/product-updates/hideez-key-firmware-updates.md?ask=<question>
```

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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.