> For the complete documentation index, see [llms.txt](https://docs.revrobotics.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.revrobotics.com/rev-hardware-client/ion/pneumatic-hub/updating-a-pneumatic-hub.md).

# Updating a Pneumatic Hub

{% hint style="danger" %}
Those using REV ION products on REVLib 2026 or newer must use [REV Hardware Client 2](https://docs.revrobotics.com/rev-hardware-client-2).
{% endhint %}

Startup the REV Hardware Client. Once the Pneumatic Hub is fully connected it will show up on the front page of the UI under the **Hardware Tab**. Select the Pneumatic Hub. 

<figure><img src="/files/XwVzG0sOrT8heHnv5Eic" alt=""><figcaption></figcaption></figure>

After selecting the Connected Hardware, the Update tab will pop up.  Under **Pneumatic Hub Firmware** select Download.

<figure><img src="/files/VX2rkZvPgmXVHgGRqUHg" alt=""><figcaption></figcaption></figure>

Once the firmware has downloaded, select Update. (Your Hardware Client will say "Update" instead of "Re-install")

<figure><img src="/files/2HaRa9lZNYbPiUu5J5Bj" alt=""><figcaption></figcaption></figure>

When the firmware update has completed a status message "Update Completed" will appear. The status for the Pneumatic Hub Firmware will also change to "Up-to-Date."

<figure><img src="/files/6clupCSF9KrLWFSV2bpv" alt=""><figcaption></figcaption></figure>