
Written by Jakub Zikuška on Monday 5 January 2026 in the category Firmware.
Advantech is excited to announce the latest version of ICR-OS, the proprietary firmware for our cellular routers. This major release brings a range of new features and improvements aimed at enhancing both the functionality and security of our routers.
For a full breakdown of the advancements and changes in this release, we encourage you to review the official Release Notes.
1. ETH0 Configuration Expanded: Extended configuration options for the switched ETH0 port on ICR-25xx/26xx and ICR-44xx. Switched routers now support per-port enable control, individual Media Type selection, and ...

Written by Jakub Zikuška on Tuesday 22 July 2025 in the category Firmware.
Advantech is excited to announce the latest version of ICR-OS, the proprietary firmware for our cellular routers. This minor bugfix release addresses several small issues to improve the stability and reliability of our routers. All newly assembled routers will come with this firmware version pre-installed.
For a full breakdown of the advancements and changes in this release, we encourage you to review the official Release Notes.
1. IPsec NAT Rule Handling Resolved: Resolved an issue where internal NAT rules were not properly removed.
2. Verizon Connectivity on ICR-41/4271 Fixed: Fixed a connectivity issue affecting ...

Written by Jakub Zikuška on Thursday 29 May 2025 in the category Firmware.
Advantech is excited to announce the latest version of ICR-OS, the proprietary firmware for our cellular routers. This major release brings a range of new features and improvements aimed at enhancing both the functionality and security of our routers. All newly assembled routers will come with this firmware version pre-installed.
For a full breakdown of the advancements and changes in this release, we encourage you to review the official Release Notes.
1. Cellular Synchronization with Date and Time Added: Added possibility to synchronize date and time with the cellular network.
2. ...

Written by Michal Hašek on Wednesday 12 February 2025 in the category Firmware.
Advantech is excited to announce the latest version of ICR-OS, the proprietary firmware for our cellular routers. This major release brings a range of new features and improvements aimed at enhancing both the functionality and security of our routers. All newly assembled routers will come with this firmware version pre-installed.
For a full breakdown of the advancements and changes in this release, we encourage you to review the official Release Notes.
1. WireGuard Tunnel Subnets Capacity: Increased the maximum number of Remote subnets in the WireGuard tunnel configuration from ...

Written by Michal Hašek on Tuesday 19 November 2024 in the category Firmware.
Advantech is excited to announce the latest version of ICR-OS, the proprietary firmware for our cellular routers. This major release brings a range of new features and improvements aimed at enhancing both the functionality and security of our routers. All newly assembled routers will come with this firmware version pre-installed.
For a full breakdown of the advancements and changes in this release, we encourage you to review the official Release Notes.
1. Minimum Severity Syslog Configuration: The Minimum Severity setting has been added to the Syslog service configuration across all platforms.
2. ...

Written by Roman Peťura on Thursday 10 October 2024 in the category Firmware.
Advantech is excited to announce the latest version of ICR-OS, the proprietary firmware for our cellular routers. This major release brings a range of new features and improvements aimed at enhancing both the functionality and security of our routers.
For a full breakdown of the advancements and changes in this release, we encourage you to review the official Release Notes.
1. VLAN Tagging: Added support for VLAN tagging (IEEE 802.1Q), enabling better network segmentation.
2. Sites Blocking: New configuration options under the Firewall section allow for the blocking of specific ...

Written by Roman Peťura on Thursday 23 May 2024 in the category Firmware.
A new version of ICR-OS, the proprietary firmware developed for Advantech routers has been released. This patch-level release is packed with security enhancements, functional improvements, and several key updates that elevate router performance and reliability.
To dive into the specifics of what's new and improved, we highly recommend reviewing the Release Notes. They provide a thorough overview of the advancements and modifications introduced in this update.

Written by Roman Peťura on Monday 25 March 2024 in the category Firmware.
A new version of ICR-OS, the proprietary firmware developed for Advantech routers has been released. This patch-level release is packed with security enhancements, functional improvements, and several key updates that elevate router performance and reliability.
To dive into the specifics of what's new and improved, we highly recommend reviewing the Release Notes. They provide a thorough overview of the advancements and modifications introduced in this update.

Written by Roman Peťura on Monday 25 March 2024 in the category Firmware.
A new ICR-OS firmware version, specifically designed for the v2 product line of Advantech routers, has been released.
To dive into the specifics of what's new and improved, we highly recommend reviewing the Release Notes. They provide a thorough overview of the advancements and modifications introduced in this update.

Written by Roman Peťura on Saturday 24 February 2024 in the category Firmware.
Latest Release Overview
Advantech is thrilled to unveil a new version of ICR-OS, the proprietary firmware developed for Advantech routers. This update heralds a host of new features and enhancements designed to bolster the functionality and security of our routers.
Detailed Changelog
For a comprehensive understanding of the advancements and modifications, we recommend consulting the Release Notes.
Major Enhancements