Harmony Hub & App: A Comprehensive User Manual (Updated 11/28/2025)
As of today, November 28, 2025, Logitech has discontinued software support for many Harmony remotes, impacting user experiences significantly.
Firmware updates, specifically version 4.15.600/10;0.230, were crucial and the deadline has passed on August 20, 2025.
Users are currently experiencing issues with Alexa Skill integration, which is non-functional since July 2025, and synchronization problems between the Hub and touchscreen devices.
The Harmony ecosystem, as it stood in late 2025, aimed to simplify home entertainment control, though its future was increasingly uncertain. Centered around the Harmony Hub, the system promised universal remote functionality, consolidating control of various devices – TVs, receivers, streaming boxes, and more – into a single, user-friendly interface. The core of this experience resided in the Harmony App, designed for both iOS and Android platforms.

However, recent developments cast a shadow over the ecosystem’s longevity. Logitech’s decision to discontinue software support for many Harmony remotes, announced in April 2025, signaled a significant shift. This discontinuation, coupled with the passed firmware update deadline (August 20, 2025, for version 4.15.600/10.0.230), raised concerns about continued functionality and support.
Despite these challenges, the Harmony system, at its peak, offered features like customizable Activities (e.g., “Watch TV”) and integration with voice assistants (though Alexa Skill integration was non-functional as of July 2025). Understanding the current limitations and the evolving landscape is crucial for existing Harmony users.

Understanding the Harmony Hub
The Harmony Hub served as the central control unit within the ecosystem, utilizing infrared (IR) and, in some models, radio frequency (RF) technology to communicate with connected devices. Its primary function was to translate commands from the Harmony App or a compatible remote into signals understood by your home entertainment equipment. Establishing a stable network connection was paramount for optimal Hub performance.
As of late 2025, maintaining the Hub’s firmware was critical, with version 4.15.600 (or FW 10.0.230 for Harmony 2400) being the last supported version – the deadline for updating passed on August 20th. Synchronization issues between the Hub and touchscreen remotes were frequently reported, rendering the touchscreens unusable.
Users also encountered difficulties with device compatibility, particularly with newer models like the Magenta TV Box 2, requiring careful configuration. The Hub’s functionality was increasingly impacted by Logitech’s software discontinuation, raising concerns about long-term reliability.
The Harmony App: Core Functionality
The Harmony App acted as the primary interface for controlling the Harmony Hub and connected devices. It allowed users to add devices, create and customize “Activities” (like “Watch TV”), and manage their Harmony account. Initial setup involved downloading and installing the app, followed by connecting the Hub to a home Wi-Fi network. Device addition required selecting from a comprehensive database or manually configuring compatibility.
However, as of July 2025, the Alexa Skill integration within the app became non-functional, limiting voice control capabilities. Synchronization issues between the app, the Hub, and touchscreen remotes were prevalent, causing frustration for users.
Logitech’s decision to discontinue Harmony software in 2025 significantly impacted the app’s future, raising concerns about ongoing support and functionality. Despite these challenges, the app remained essential for initial setup and basic control.

Setting Up Your Harmony Hub
Initial setup requires downloading the Harmony App and connecting the Hub to your network; device addition follows, though compatibility issues exist as of 2025.
Downloading and Installing the Harmony App
The first step in utilizing your Harmony Hub is downloading and installing the Harmony App on your smartphone or tablet. The app is available for both iOS (Apple App Store) and Android (Google Play Store) devices. Simply search for “Harmony” within your respective app store and locate the official Logitech Harmony app – ensure it’s the correct application to avoid potential issues.
Once located, tap the “Install” or “Get” button to begin the download and installation process. The app size is relatively small, so download times should be quick, depending on your internet connection speed. After installation, open the app. You will be prompted to create a Logitech Harmony account or log in if you already have one. This account is essential for registering your Hub and managing your devices and activities. Follow the on-screen instructions to complete the account setup or login process.
Connecting the Harmony Hub to Your Network
After installing the Harmony App and logging into your account, the next crucial step is connecting your Harmony Hub to your home network. Ensure your Hub is powered on and within range of your Wi-Fi router. The app will guide you through the network connection process. Typically, this involves selecting your Wi-Fi network from a list of available networks displayed within the app.
You will then be prompted to enter your Wi-Fi password. Double-check the password for accuracy, as incorrect credentials will prevent the Hub from connecting. Once the password is entered, the app will attempt to establish a connection. This process may take a few moments. A successful connection is indicated by a confirmation message within the app and a solid blue light on the Harmony Hub itself. If the connection fails, ensure your Wi-Fi router is functioning correctly and try again.
Adding Devices to Your Harmony Hub
Once your Harmony Hub is connected to your network, the next step is adding the devices you want to control. Within the Harmony app, navigate to the “Devices” section and select “Add Device.” The app will present you with a comprehensive list of supported manufacturers and device types. You can either browse the list or use the search function to locate your specific device, such as an LG OLED65C7V TV or a Sony UHD Player.
The app will then guide you through a device setup process, which may involve entering the device’s model number and testing its functionality. Compatibility can be a concern; as of 2025, some newer devices, like the Magenta TV Box 2, may have limited or no direct integration. If your device isn’t recognized, you may need to use the “Add Unlisted Device” option, which requires more manual configuration.
Device Compatibility & Limitations (as of 2025)
As of late 2025, Harmony Hub compatibility is increasingly varied. While many established brands like LG (OLED65C7V models) and Sony UHD players generally integrate seamlessly, newer devices present challenges. The Magenta TV Box 2, for example, may require workarounds or have limited functionality due to evolving streaming technologies. Logitech’s discontinuation of software support further complicates matters, potentially impacting future device integrations.
Users report difficulties adding devices through the app, sometimes requiring manual configuration. The Sofabaton database, used by some, only lists a fraction of multimedia devices. Furthermore, the shift towards closed ecosystems, like Huawei’s Harmony OS NEXT (irrelevant to the Harmony Hub), contributes to fragmentation. Keep in mind that older devices may function, but newer models may lack full support.
Troubleshooting Device Connection Issues
Experiencing connection problems with your Harmony Hub? First, ensure your Hub has the latest firmware (4.15.600/10.0.230 is critical, but updates are no longer actively provided). Synchronization failures between the Hub, touchscreen, and mobile app are common, particularly since July 2025. Try restarting both the Hub and the affected device. If issues persist, verify network connectivity; a stable Wi-Fi connection is essential.
Check device compatibility, as newer Magenta TV Box 2 models or other recent releases may have limited support. If a device isn’t recognized, attempt manual device addition within the Harmony app. Remember Logitech’s software discontinuation impacts troubleshooting resources. Consider factory resetting the Hub as a last resort, but be aware this will erase all configurations.

Configuring Activities
Creating custom activities, like “Watch TV” involving your LG OLED65C7V or Sony UHD player, is possible, but software limitations due to discontinuation exist.
Creating Custom Activities (e.g., “Watch TV”)
Defining custom activities, such as “Watch TV,” allows streamlined control of multiple devices with a single command. The process involves selecting devices – your LG OLED65C7V, Magenta TV Box 2, or Sony UHD player – and assigning specific power and input settings for each.
However, due to Logitech’s software discontinuation in 2025, creating and modifying activities may be limited or require workarounds. Users have reported success with simple actions like turning on a TV and AVR, but complex sequences might prove challenging.
Remember that the Harmony Hub’s functionality is now constrained by the lack of ongoing software updates. While existing activities should continue to function, creating new ones or significantly altering existing ones may encounter issues, especially concerning newer devices like the Magenta TV Box 2.
Editing Existing Activities
Modifying pre-defined or custom activities within the Harmony app allows for personalized control. Users can adjust device sequences, timing, and commands within an activity like “Watch TV.” However, Logitech’s software discontinuation in 2025 significantly impacts this process.
Given the Alexa Skill’s non-functionality since July 2025, voice command edits are unavailable. Synchronization issues between the Hub and touchscreen also complicate activity adjustments, potentially rendering the touchscreen interface unusable.
Furthermore, the passed firmware update deadline (August 20, 2025) for version 4.15.600/10.0.230 may introduce instability when editing. While basic edits might succeed, complex changes or integrations with newer devices like the Magenta TV Box 2 could prove problematic due to limited software support.
Activity Sequencing and Timing
Harmony activities rely on precise sequencing and timing of commands sent to connected devices. Users can define the order in which devices power on/off and adjust settings, creating seamless experiences like “Watch TV” – activating the LG OLED65C7V and AVR. However, Logitech’s software discontinuation in 2025 introduces limitations.
Synchronization issues between the Hub and touchscreen, reported since July 2025, can disrupt timing accuracy. The inability to reliably synchronize impacts the smooth execution of activity sequences.
Furthermore, the passed firmware update deadline (August 20, 2025) for version 4.15.600/10.0.230 may introduce unpredictable delays or command failures. Integrating newer devices, such as the Magenta TV Box 2, might also present timing challenges due to limited software compatibility.

Advanced Features & Troubleshooting
Critical firmware updates (4.15.600/10.0.230) are past deadline, Alexa Skill integration is currently non-functional (July 2025), and synchronization issues persist between Hub and touchscreen.
Harmony Hub Firmware Updates (Critical: Version 4.15.600/10.0.230 Deadline Passed)
Maintaining the latest firmware is crucial for optimal Harmony Hub performance and security. However, a critical update deadline has passed on August 20, 2025. Users were required to update their Harmony Hub to firmware version 4.15.600 (or FW 10;0.230 for Harmony 2400) before this date.

Failure to update may result in diminished functionality, connectivity issues, and potential incompatibility with newer devices or services. While the Hub may continue to operate, full feature support and stability cannot be guaranteed. Logitech has ceased active software development, meaning no further firmware updates will be released.
Users experiencing problems after the deadline should attempt a factory reset as a last resort, but this will not restore functionality lost due to the outdated firmware. It is strongly advised to explore alternative universal remote solutions given Logitech’s discontinuation of Harmony software.
Alexa Skill Integration (Currently Non-Functional ─ July 2025)
The Harmony Hub previously offered seamless integration with Amazon Alexa, allowing voice control of your home entertainment system. However, as of July 2025, the Alexa Skill for Harmony is currently non-functional. Users are reporting that despite successfully linking their accounts and the Harmony remote functioning independently, voice commands issued through Echo devices are being ignored.
Troubleshooting steps, such as re-linking the skill, have proven ineffective for many users. This issue appears to stem from changes on Logitech’s end, coinciding with the broader discontinuation of Harmony software support.
Unfortunately, there is currently no known workaround for this problem. Given Logitech’s lack of ongoing development, a fix is unlikely. Users reliant on voice control should consider alternative smart home solutions that offer reliable Alexa integration.
Synchronization Issues: Hub & Touchscreen
Many Harmony Hub users are encountering frustrating synchronization problems between the Hub itself, the Harmony app, and particularly, the Harmony Touch remote. Reports from July 2025 indicate that the Hub is failing to synchronize with the app, rendering the Touch remote unusable as it relies on this connection. The mobile app, while partially functional, offers limited control in these scenarios.
This synchronization failure prevents activity updates and device control through the Touchscreen interface. Users have attempted re-linking and restarting devices, but the issue persists. The core problem appears linked to the broader software discontinuation by Logitech and the passing of the critical firmware update deadline.
Without synchronization, the Touch remote essentially becomes a brick, highlighting the dependency on a functioning Harmony ecosystem. A resolution is unlikely given Logitech’s current stance.
Troubleshooting Hub Synchronization Problems
If your Harmony Hub isn’t synchronizing with the app, several steps can be attempted, though success isn’t guaranteed given the recent software changes. First, ensure both the Hub and your mobile device are connected to the same Wi-Fi network. Restart both the Hub (power cycle) and the Harmony app. Verify the Hub has the latest firmware – though updates are no longer actively supported, checking is advisable.
Within the Harmony app, attempt a manual synchronization. If this fails, try removing and re-adding the Hub to your account. Confirm your Logitech Harmony account is active and not experiencing any service outages.
Unfortunately, due to Logitech’s discontinuation of software support, these troubleshooting steps may prove ineffective, especially if the issue stems from the passed firmware update deadline of August 20, 2025.
Addressing Touchscreen Synchronization Failures
Touchscreen synchronization issues are increasingly common as of November 28, 2025, often occurring alongside Hub synchronization problems. Begin by ensuring the touchscreen remote has sufficient battery power. Attempt a restart of the touchscreen remote by removing and reinserting the batteries. Within the Harmony app, initiate a manual synchronization specifically targeting the touchscreen device.
If synchronization continues to fail, try removing and re-adding the touchscreen remote to your Harmony account. Confirm the Hub is successfully synchronized before attempting touchscreen synchronization, as a Hub connection is essential.
Given Logitech’s software discontinuation and the Alexa Skill’s current non-functionality (since July 2025), resolving touchscreen issues may be limited, particularly if the Hub itself remains unsynchronized.

Specific Device Integrations
Integrating devices like LG OLED65C7V TVs, Magenta TV Box 2, and Sony UHD players presents varying compatibility levels; Sony UHD player setup is relatively straightforward.
Integrating with LG OLED TVs (e.g., OLED65C7V)
Successfully integrating your LG OLED TV, such as the OLED65C7V model, with the Harmony Hub requires careful device setup within the Harmony app. Users have reported successfully creating a simple “Watch TV” activity that powers on both the TV and associated AVR (Audio/Video Receiver).
During the device addition process, ensure the correct LG TV model is selected from the Harmony database for optimal command functionality. While the Harmony system generally supports LG OLED TVs, occasional compatibility issues may arise due to firmware variations or specific TV settings.
If experiencing difficulties, double-check the IR blaster placement for unobstructed signal transmission to the TV. Remember that Logitech has discontinued software support, potentially limiting future updates or troubleshooting assistance for LG OLED integrations. Consider exploring community forums for user-shared configurations and workarounds.
Magenta TV Box 2 Compatibility
Integrating the Magenta TV Box 2 with your Harmony Hub presents some compatibility considerations, as reported by users in May 2025. While direct integration isn’t universally guaranteed, some success has been observed by referencing experiences with similar devices like the Fire TV Stick.
The key appears to lie in utilizing the Harmony app’s device database and attempting to map commands based on comparable streaming boxes. It’s crucial to explore available device options within the app, potentially selecting a generic streaming device profile as a starting point.
Given Logitech’s software discontinuation in 2025, finding a perfect, officially supported integration may be challenging. Users may need to rely on community-created configurations or manual command learning for optimal control of the Magenta TV Box 2 through their Harmony system.
Sony UHD Player Integration
Successfully integrating a Sony UHD Player with your Harmony Hub generally proves more straightforward than some other devices, according to user reports from January 2025. The Harmony system’s database often includes pre-configured device profiles for numerous Sony UHD Player models, simplifying the setup process.
However, with Logitech’s software support phasing out in 2025, maintaining this integration relies on existing configurations. Users establishing a new setup should prioritize completing the device addition and activity creation before further software updates cease.
If encountering difficulties, ensure the Harmony Hub’s firmware is up-to-date (though updates are becoming limited). Manual command learning might become necessary if pre-defined profiles don’t fully support all desired functions of your specific Sony UHD Player model.

Managing Your Harmony Account
Logitech allows Harmony device deletion from accounts, even if it’s the sole Harmony device present as of May 2021. However, due to the 2025 software discontinuation, account management is limited.
Deleting a Harmony Device from Your Account
As of May 2021, Logitech provided a functionality allowing users to delete a Harmony device directly from their account. This feature was particularly useful when a user only had a single Harmony device linked to their profile, simplifying account management. However, the landscape has drastically changed with Logitech’s widespread software discontinuation in 2025.
Currently, the accessibility and functionality of this deletion feature are uncertain due to the lack of ongoing software support. While the option may still exist within the account settings, its reliability and effectiveness cannot be guaranteed. Users attempting to delete devices may encounter errors or unexpected behavior.
Given the impending obsolescence of Harmony software, deleting a device might not resolve underlying issues related to synchronization or functionality. It’s crucial to understand that removing a device from your account is a permanent action, and restoring it may not be possible without functional software support. Consider this carefully before proceeding.
Harmony Software Discontinuation (Logitech ‒ 2025)
Logitech officially discontinued software support for a vast array of Harmony remotes throughout 2025, marking a significant turning point for users. This decision impacts the functionality of devices like the Harmony Hub and associated apps, rendering many features unreliable or completely inoperable. The core issue stems from the cessation of firmware updates and server-side support necessary for the Harmony ecosystem to function correctly.
Critical firmware updates, such as version 4.15.600 (or FW 10.0.230 for Harmony 2400), had a deadline of August 20, 2025, after which functionality began to degrade rapidly. This discontinuation affects activity creation, device control, and integration with third-party services like Alexa, which ceased functioning in July 2025.
Users are now facing limitations and are encouraged to explore alternative universal remote solutions. Logitech’s decision effectively ends the lifespan of the Harmony system as originally intended.
Understanding Harmony OS NEXT (Huawei ─ Relevance to Harmony Hub: None)
Despite sharing a name, Huawei’s HarmonyOS NEXT is entirely unrelated to the Logitech Harmony Hub and its associated software ecosystem. HarmonyOS NEXT represents a closed-source mobile operating system developed by Huawei, evolving from their earlier HarmonyOS based on Android Open Source Project (AOSP). It’s positioned as the future of Huawei’s mobile systems, aiming for greater independence from Google’s Android.

The core architecture and functionality of HarmonyOS NEXT are focused on mobile devices – smartphones, tablets, and wearables – and bear no compatibility or integration points with the Logitech Harmony Hub’s home entertainment control features.
Huawei anticipates rolling out HarmonyOS 6.0 between October and November 2025, but this update will exclusively affect Huawei devices and will not impact the functionality, or lack thereof, of the discontinued Logitech Harmony system. Any perceived connection is purely coincidental due to the shared name.