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Kensington SlimBlade™ Trackball Firmware Upgrade Tool (V4.49)

Kensington P/N: K72080/K72081 SlimBlade™ Pro Trackball.

Issue Statement: If you are experiencing cursor unstable issue especially with higher DPI settings, we recommend upgrading the firmware on your K72080/K72081 SlimBlade™ Pro Trackball as detailed below.

Step 1

First, download the Firmware Upgrade Tool to your computer.

Download Link



Step 2

Make sure the trackball switch is set to OFF or center position. Update option will not be enabled if dongle or Bluetooth positions are selected.



Step 3

Connect your SlimBlade™ Pro trackball to a Windows computer running Windows 7, Windows 10, or Windows 11 OS via wired connection.



Step 4

Locate the downloaded content (typically found within your “Downloads” folder). Double click to open the file labeled “Kensington SlimBlade Pro V4.49”.

SlimBlade™ Pro V4.49 folder open showing the updated app



Step 5

Once the Firmware Upgrade Tool is launched, left-click the button marked “Upgrade”.

Pop up message highlighting the update button



Step 6

The upgrade process may take up to five minutes to complete. During this time please do not disconnect your SlimBlade™ Pro Trackball from the computer.



Step 7

When the firmware upgrade is complete, you will see the “Success” label as shown below.

Pop up message notifying that the software has been updated

Note: Should any additional issues arise, please do not hesitate to reach back out to our Technical Support team.

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Technical Support:
Support page

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Live chat:
Click the Live Chat tab on the right