Software

ClickShare CX-20/CX-30 base unit firmware

Version: v2.26.0.7
File size: 504 MB
Release date: 12 May 2026
Available for: ClickShare CX-20 , ClickShare CX-30
Language: English
SHA256 checksum: d24490b80d14c87a6e7841d3b19f450012dc86d6e20c004e9a856015d13edacd

Release notes

=== This release provides improved user experiences, increased flexibility, security, and additional features.===
=== feature changes in the 2.26 release ===

== What we fix or improve ==

Improved Button Network Integration connectivity and performance for Gen 4.1 Buttons
Improved web session security by ensuring all session cookies contain the "Secure" attribute
Fixed a failure when generating a Certificate Signing Request (CSR) via the API due to specific naming constraints
Fixed an issue that prevented saving Annotation and Blackboard content to a connected USB drive
Improved compatibility with 4K monitors to prevent screen flickering
Fixed Cloud log download issues in Wireless Client mode

== Known issues ==

Sharing through Google Cast isn't working with Pixel Phones.
Occasional failure happens when saving annotations on iiyama touchscreens.
Due to critical security updates since firmware 2.22, Digital Signage is no longer officially supported. For more information, please refer to the KB15221.

=== Things to consider before upgrading ===

Google Cast streaming will be unavailable after September 2026. please keep your device firmware on the latest firmware to ensure continued support
When the desktop app encounters issues using peripheral devices at security levels 2 or 3, we recommend using Desktop App version 4.45.00 or higher. More information can be found in KB15298.
In order to start the ClickShare App on the Button automatically when plugging it in, version 1.24 of the ClickShare Windows Driver needs to be installed on the device. More information can be found in KB12204.
To optimize Wireless Presentation performance, we highly recommend always using a free 5GHz Wi-Fi channel. Changes and settings could be applied via ClickShare Configurator.
Supports for Wireless Client Mode. A direct connection between the Button and the Base Unit is advised to better support Wireless Conferencing.
Upgrading past Version 02.22.00 will not allow you to roll back to older versions before 02.22.00.

Version history

v2.25.0.10 05 Dec 2025 (470 MB)

Download

SHA256 checksum

27b32da2e2fb21c045e6a4f6155b5c8612331543abc08f9f2f50621cd85d19ee

Release notes

=== This release provides improved user experiences, increased flexibility, security, and additional features.===
=== feature changes in the 2.25 release ===

Remove Peripheral firmware upgrade from web configuration

What we fix or improve

Improved Miracast not appearing after power cycle when configured in Infrastructure mode.
Improved Google Cast stability for sessions lasting over 24 hours after a reboot.
Enhanced Miracast stability following a Base Unit reboot
Fixed device disconnection issues in wireless client mode.
Fixed network setting issue when Clickshare Button Gen4.1 connect to external access point WPA2 or Cisco Wireless network using EAP-TLS

Known issues

Occasional failure happens when saving annotations on iiyama touchscreens.
Sharing through Google Cast isn't working with Pixel Phones.
Due to critical security updates since firmware 2.22, Digital Signage is no longer officially supported. For more information, please refer to the KB15221.

=== Things to consider before upgrading ===

When the desktop app encounters issues using peripheral devices at security levels 2 or 3, we recommend using Desktop App version 4.45.00 or higher. More information can be found in KB15298.
In order to start the ClickShare App on the Button automatically when plugging it in, version 1.24 of the ClickShare Windows Driver needs to be installed on the device. More information can be found in KB12204.
To optimize Wireless Presentation performance, we highly recommend always using a free 5GHz Wi-Fi channel. Changes and settings could be applied via ClickShare Configurator.
Supports for Wireless Client Mode. A direct connection between the Button and the Base Unit is advised to better support Wireless Conferencing.
Upgrading past Version 02.22.00 will not allow you to roll back to older versions before 02.22.00.

v2.24.0.5 07 Jul 2025 (470 MB)

Download

SHA256 checksum

12a492454e5e192680ce68068d814d368ae8b40d586fadbcca9fef17549da415

Release notes

=== This release provides improved user experiences, increased flexibility, security, and additional features.===

== Known issues ==

If Google Cast issues occur after 24 hours following a reboot, please reboot the device again to restore functionality.
Establishing a Miracast connection may take longer due to the inability to use Miracast over Infrastructure mode.
Sharing through Google Cast isn't working with Pixel Phones.
Due to critical security updates since firmware 2.22, Digital Signage is no longer officially supported. For more information, please refer to the KB15221.

=== Things to consider before upgrading ===

When the desktop app encounters issues using peripheral devices at security levels 2 or 3, we recommend using Desktop App version 4.45.00 or higher. More information can be found in KB15298.
In order to start the ClickShare App on the Button automatically when plugging it in, version 1.24 of the ClickShare Windows Driver needs to be installed on the device. More information can be found in KB12204.
ClickShare Desktop App v4.30.2 or higher is required when using a Button to connect when the App is installed.
ClickShare Desktop App v4.17 or higher is required to allow over the air (Wi-Fi and ultrasound) detection of the Base Unit.
To optimize Wireless Presentation performance, we highly recommend always using a free 5GHz Wi-Fi channel. Changes and settings could be applied via ClickShare Configurator.
Supports for Wireless Client Mode. A direct connection between the Button and the Base Unit is advised to better support Wireless Conferencing.
Upgrading past Version 02.21.01 will not allow you to roll back to older versions before 02.21.01.

v2.23.0.4 29 Apr 2025 (470 MB)

Download

SHA256 checksum

68aa2e155ea397e98ef88a7539f2b609a3ac6e6a1beed222a185d3ba59e454b9

Release notes

=== This release provides improved user experiences, increased flexibility, security, and additional features.===
=== New feature in the 2.23 release ===

Multitouch touchback feature now works in Button App 04.43.04.0003

== What we fix or improve ==

Fixed incompatibility issue with Clevertouch/Iiyama touch panels on the Android 13 platform
Enhanced product security and compatibility
Set unique room serial in Clickshare Button per meeting room as default
Improved unstable connection of HDMI VSI output with SHARP projector
Fixed device disconnection issue to XMS when it's set to wireless client mode with DHCP
Fixed network setting issue when Clickshare Button Gen4.1 connect to external access point WPA2 or Cisco Wireless network using EAP-TLS
Improved connection stability with Poly Studio X30

== Known issues ==

Sharing through Google Cast isn't working with Pixel Phones.
Security enhancements in firmware version 2.22 have reduced the performance of Digital Signage. As a result, Digital Signage may no longer work or may load very slowly, depending on the content and platform. These models now show reduced capability in running Digital Signage content. For more information, please refer to the KB15221.

=== Things to consider before upgrading ===

When the desktop app encounters issues using peripheral devices at security levels 2 or 3, we recommend using Desktop App version 4.45.00 or higher.
In order to start the ClickShare App on the Button automatically when plugging it in, version 1.24 of the ClickShare Windows Driver needs to be installed on the device. More information can be found in KB12204.
ClickShare Desktop App v4.30.2 or higher is required when using a Button to connect when the App is installed.
ClickShare Desktop App v4.17 or higher is required to allow over the air (Wi-Fi and ultrasound) detection of the Base Unit.
To optimize Wireless Presentation performance, we highly recommend always using a free 5GHz Wi-Fi channel. Changes and settings could be applied via ClickShare Configurator.
Supports for Wireless Client Mode. A direct connection between the Button and the Base Unit is advised to better support Wireless Conferencing.
Upgrading past Version 02.21.01 will not allow you to roll back to older versions before 02.21.01.

v2.22.0.13 22 Jan 2025 (472 MB)

Download

SHA256 checksum

233bd6faa6c02776b70bdc66231a32c0d4b93c2aa4c0e8b0e52fe3d60ba5f655

Release notes

=== This release provides improved user experiences, increased flexibility, security, and additional features.=== === New feature in the 2.22 release ===

Introducing SmartFocus feature which smartly selects the right view for the remote participants by switching between the room camera and the speakers´ laptop cameras.

Improved Airplay, Google Cast, and Miracast user experiences.
Fixed base unit claiming issue for XMS registration after hardware reset.
Enhanced product security and compatibility.
Improved Audio-Technica peripherals detection.

Sharing through Google Cast isn't working with Pixel Phones.

=== Things to consider before upgrading ===

In order to start the ClickShare App on the Button automatically when plugging it in, version 1.24 of the ClickShare Windows Driver needs to be installed on the device. More information can be found in KB12204.
ClickShare Desktop App v4.30.2 or higher is required when using a Button to connect when the App is installed.
ClickShare Desktop App v4.17 or higher is required to allow over the air (Wi-Fi and ultrasound) detection of the Base Unit.
To optimize Wireless Presentation performance, we highly recommend always using a free 5GHz Wi-Fi channel. Changes and settings could be applied via ClickShare Configurator.
Supports for Wireless Client Mode. A direct connection between the Button and the Base Unit is advised to better support Wireless Conferencing.
Upgrading past Version 02.21.01 will not allow you to roll back to older versions before 02.21.01.
For CX-20 user, if you encounter issues with people and content sharing while using Desktop App versions 4.41, 4.24, or 4.42 with baseunit firmware 2.22.0, please update your Desktop App to version 4.43.2 for improved performance and stability.