Software
ClickShare C-5/C-10 base unit firmware
- Version
- v2.27.0.5
- File size
- 508 MB
- Release date
- 10 Sep 2026
- Available for
- ClickShare C-10 , ClickShare C-5
- Language
- English
- SHA256 checksum
- ae128bfe417d26a590776791cca20c886f6dcc925ce5c299b4034c313988876d
Release notes
=== This release provides improved user experiences, increased flexibility, security, and additional features.===
=== feature changes in the 2.27 release ===
== What we fix or improve ==
== Known issues ==
=== Things to consider before upgrading ===
=== feature changes in the 2.27 release ===
== What we fix or improve ==
- Enhanced product security through updated system components and improved certificate handling.
- Improved wireless content sharing reliability for BYOD functions, including better stability during repeated or extended sharing sessions.
- Improved Button configuration behavior for enterprise networks when using anonymous identity.
- Improved Base Unit status and event reporting for more accurate device monitoring and usage indication.
- Improved Button connectivity with enterprise networks using PEAP authentication.
- Improved audio stability during Microsoft Teams calls.
== Known issues ==
- Google Cast is currently not supported with Microsoft Edge 149.0.4022.80. For more information, please refer to KB16137.
- Miracast sharing may become unavailable during extended sharing sessions when Google Cast is enabled. For more information, please refer to KB16138.
- Google Cast sharing is currently not supported on 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 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.
- Upgrading past Version 02.22.00 will not allow you to roll back to older versions before 02.22.00.
Version history
Download
SHA256 checksum
98c35d2df5b4fafa075cf7f454359ac4fa82a9a40eab152cf098f76e5f9d280d
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 ==
== Known issues ==
=== Things to consider before upgrading ===
=== 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.
- Upgrading past Version 02.22.00 will not allow you to roll back to older versions before 02.22.00.
Download
SHA256 checksum
be49e1ddd06e0d4912569ef9e8d3787d42d996fe1b2d791198826dafcc0d30db
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
Known issues
=== Things to consider before upgrading ===
=== 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
- 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.
- Upgrading past Version 02.22.00 will not allow you to roll back to older versions before 02.22.00.
Download
SHA256 checksum
ce4e39bea2dbd60af9e7e94ac8218851500fb3413fcdbe6087936e7cca8988be
Release notes
=== This release provides improved user experiences, increased flexibility, security, and additional features.===
== What we fix or improve ==
== Known issues ==
=== Things to consider before upgrading ===
== What we fix or improve ==
- Improved the Miracast stability after a Base Unit reboot.
== 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.
- Upgrading past Version 02.21.01 will not allow you to roll back to older versions before 02.21.01.
Download
SHA256 checksum
6d36d6585b00e8f6da6407d59f23476ff8f11e5eb4e70dd17e0d6d544c3ff34a
Release notes
=== This release provides improved user experiences, increased flexibility, security, and additional features.===
=== New feature in the 2.23 release ===
== What we fix or improve ==
== Known issues ==
=== Things to consider before upgrading ===
=== 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
- 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.
- 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.
- Upgrading past Version 02.21.01 will not allow you to roll back to older versions before 02.21.01.
Download
SHA256 checksum
8bd5609e6a5326044fa7339ece37a6561270abd515a4c5b04df1beed7db12e71
Release notes
=== This release provides improved user experiences, increased flexibility, security, and additional features.===
=== New feature in the 2.22 release ===
=== Things to consider before upgrading ===
- Improved Airplay, Google Cast, and Miracast user experiences.
- Fixed base unit claiming issue for XMS registration after hardware reset.
- Enhanced product security, and compatibility.
- 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.