Software

ClickShare CB Pro/CB Core firmware

Version: v2.26.0.7
File size: 517 MB
Release date: 13 May 2026
Available for: ClickShare Bar Core , ClickShare Bar Pro
Language: English
SHA256 checksum: a0818201c07f8c88e98956e025ef103949246166f78c11af81ed177a99568c16

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
Fixed an issue where the wallpaper failed to display via specific USB-C to HDMI adapters

== Known issues ==

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

=== 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.
Upgrading past Version 02.21.01 will not allow you to roll back to older versions before 02.21.01.

Version history

v2.25.0.10 05 Dec 2025 (471 MB)

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SHA256 checksum

feecc731f9581a40e8b831d83d161a52531d0ca8f988966c436818cefa9a54b7

Release notes

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

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

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

=== 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.
Upgrading past Version 02.21.01 will not allow you to roll back to older versions before 02.21.01.

v2.24.0.5 07 Jul 2025 (481 MB)

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SHA256 checksum

ac78f0fe9a7c21a836ee736dab7c685d86a9aaecc997728c752bb3f327817086

Release notes

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

=== New feature in the 2.24 release ===

If Google Cast issues occur after 24 hours following a reboot, please reboot the device again to restore functionality.
Sharing through Google Cast isn't working with Pixel Phones.

=== 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.
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 (481 MB)

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SHA256 checksum

8f1345fa8d62f9550258507fcb1d9925fcfa70c9a3e4311579e19820c6ebf413

Release notes

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

Enhanced microphone pick-up performance and speaker audio quality
Enable Microphone volume forwarding feature in laptop system setting
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
Fixed the issue when changing and saving display resolution on Web Configurator
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

== Known issues ==

Sharing through Google Cast isn't working with Pixel Phones.
Occasionally failure happens when saving annotations on iiyama touchscreens.

=== 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.
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 (483 MB)

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SHA256 checksum

3158b0e1a02a672613772dcadc469be21b119da0c40cc72528e6bc2bd40f5b38

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.

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.
Upgrading past Version 02.21.01 will not allow you to roll back to older versions before 02.21.01.
For CB Core 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.

v2.21.1.6 06 Dec 2024 (482 MB)

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SHA256 checksum

429c78f34eb30c8e526b32900487bb7a75d9ebc37bc2eeab5906524e01457a5c

Release notes

=== This release provides improved user experiences, increased flexibility, security and additional features.=== === New feature in the 2.21.01 release ===

Fix vulnerability CVE-2024-53919
Upgrading beyond Version 02.21.01 will prevent you from rolling back to versions earlier than 02.21.01.

Sharing through Google Cast isn't working with Pixel Phones.
Base unit does not power up when using monitor as power supply via USB-C
Occasionally upgrade failed after users downgrade FW to 2.21.1 hotfix version. More information can be found in KB9710.

=== 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 to always use a free 5GHz Wi-Fi channel. Changes and settings could be applied via ClickShare Configurator.

v2.21.0.12 02 Oct 2024 (482 MB)

Download

SHA256 checksum

2c8c9a0d4422525b71db8670b9388160ef6f02549e3a7fe9d2e4c71732ee58cf

Release notes

=== This release provides improved user experiences, increased flexibility, security and additional features.=== === New feature in the 2.21 release ===

ClickShare Bar, power line frequency 50Hz/60Hz toggle setting in the web configuration.

Update the button app driver certificate.
Fix the shared screen black or blueish issue when digital signage is enabled.
Support the ClickShare base unit discovery by ClickShare app on iOS and Android.
Touchback work properly when two screens are attached.
Speed up the peripheral availability on the device boot up.

Sharing through Google Cast isn't working with Pixel Phones.
Base unit does not power up when using monitor as power supply via USB-C

=== 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 to always use a free 5GHz Wi-Fi channel. Changes and settings could be applied via ClickShare Configurator.
Upgrading past Version 02.19.00 will not allow you to roll back to older versions before 02.19.00.