# Hideez Key firmware updates

#### Hideez Key 3 firmware:

{% file src="<https://content.gitbook.com/content/RdTysrljwe610dPFG7tE/blobs/nRYMRzvwRwmdWZLKR6zm/HK3_fw_v3.6.18a_C.img>" %}

#### Hideez Key 4 firmware:

* Boot Loader Version 4.4.0

{% file src="<https://content.gitbook.com/content/RdTysrljwe610dPFG7tE/blobs/SRnSG7GbnPYXbnUukPiC/HK41_fw_v4.3.87_release.img>" %}

* Boot Loader Version 4.4.9

{% file src="<https://content.gitbook.com/content/RdTysrljwe610dPFG7tE/blobs/ezADa5dESl2xm5Hb1Mhu/HK45_fw_v4.3.87_release.img>" %}

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

{% endhint %}

{% content-ref url="../hideez-key-enterprise-edition/updating-firmware" %}
[updating-firmware](https://enterprise.hideez.com/hideez-key-enterprise-edition/updating-firmware)
{% endcontent-ref %}