--- title: "IR22 IR Controller Firmware" slug: "ir22-ir-controller-firmware" updated: 2026-08-11T09:58:57Z published: 2026-08-11T09:58:57Z canonical: "knowledge.akuvox.com/ir22-ir-controller-firmware" --- > ## Documentation Index > Fetch the complete documentation index at: https://knowledge.akuvox.com/llms.txt > Use this file to discover all available pages before exploring further. # IR22 IR Controller Firmware [Release Firmware (Click to download)](https://drive.google.com/file/d/1Iz0r9aC42ge69IlEXb3MrUDBKjTPqLO8/view?usp=drive_link) Version: V19 --- ## **Release Notes** ### **Version: V19** **Release Date:** January 16, 2026 #### **Fixed Bugs** 1. Fixed an issue where some infrared devices did not respond when a scene task controlled multiple IR devices simultaneously > [!NOTE] > **NOTE:** > > - This fix requires the home center device to be running firmware version 3.4.3 or later. > - Currently, up to three IR devices can be controlled simultaneously. For scenes involving more than three devices, delays must be added manually between tasks. --- ### **Version: V17** **Release Date:** October 29, 2025 #### **Fixed Bugs** 1. Fixed IR test failures caused by receiver component variations. --- ### **Version: V16** **Release Date:** October 13, 2025 > [!NOTE] > **NOTE:** > > These enhancements require panels running firmware version 3.4.1 or later. #### **Optimizations** 1. Optimized the gateway’s performance by improving learning-data cleanup and accelerating command transmission. #### **Fixed Bugs** 1. Fixed an issue where the learned commands from the HP remote did not match the actual control behavior.