> For the complete documentation index, see [llms.txt](https://support.powerio.com/hub/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.powerio.com/hub/downloads/en/powerio-downloads/h1.m100-firmware.md).

# H1.M100

Firmware updates for H1.M100

<figure><img src="https://1006137389-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0iNqm20Eubny3McJVgbJ%2Fuploads%2F1W6qNcPjxjj9fgkjHHD1%2FH1.M100%20Frontansicht%20Doku_klein.png?alt=media&amp;token=b361e5b1-611d-416c-a457-94f924abfce8" alt="" width="312"><figcaption><p>H1.M100 Device</p></figcaption></figure>

### Current version - Firmware

<details>

<summary>5.1 - Firmware - <a href="https://dl.powerio.com/downloads/powerIO-h1m100-firmware-5.1.piop" class="button primary" data-icon="arrow-down-to-line">Download</a></summary>

Release Date 06.08.2026

**New features and changes**

* **powerIO Orbit**: The web interface consistently uses the designation powerIO Orbit instead of powerIO Portal.

</details>

### Current version - Bootloader

***

{% hint style="info" %}
With bootloader < 0.9, startup problems can rarely occur after updates; turning it off and on again fixes this, the restart can take several minutes\
\
The bootloader file can be installed independently of the firmware.
{% endhint %}

<details>

<summary>0.9 - Bootloader <a href="https://dl.powerio.com/downloads/powerIO-h1m100-bootloader-0.9.piop">Download</a></summary>

Release Date 08.09.2025

**Bug fixes and improvements**

* With bootloader versions < 0.9, in rare cases after a firmware update the system may fail to start. If this happens, it is necessary to switch it off and on again. This restart can take several minutes, as the update is performed again here.\
  \
  With this version, this issue is fixed. The bootloader file can be installed independently of the firmware.

</details>

### Older versions - Firmware

<details>

<summary>5.0 - Firmware - <a href="https://dl.powerio.com/downloads/powerIO-h1m100-firmware-5.0.piop">Download</a></summary>

Release Date 22.07.2026

**New features and changes**

#### **Security**

* **Signed firmware packages**: Firmware updates (PIOP) are signed from version 5.0 onward and are checked on the device before installation. Packages without a valid signature are rejected.
* **API Keys for external systems**: Access to the device API via individually assignable and revocable API keys, without passwords in scripts or configuration files.

#### **powerIO Orbit connection (Optional)**

* **powerIO Orbit connection**: Improved and more stable connection to powerIO Orbit with encrypted transmission.

**Bug fixes**

* **Onboard I/Os**: The onboard I/Os are reliably available again after a restart of the API service.
* **Password reset code**: Security improvement in the generation of the password reset code.
* **Time server fallback**: Fallback to alternative time servers if the configured NTP server is not reachable.
* **Firmware upload**: Improved error handling when uploading firmware packages in the web interface.
* Bug fixes in the web interface and updating of system components

</details>

<details>

<summary>4.4 - Firmware - <a href="https://dl.powerio.com/downloads/powerIO-h1m100-firmware-4.4.piop">Download</a></summary>

Release Date 12.09.2025

**Bug fixes and improvements**

* Complete versioning

{% hint style="success" %}
For a detailed changelog, see version 4.3
{% endhint %}

</details>

<details>

<summary>4.3 - Firmware</summary>

Release Date 08.09.2025\
Bootloader Update (recommended): <https://dl.powerio.com/downloads/powerIO-h1m100-bootloader-0.9.piop>

**Bug fixes and improvements**

**Security**

* **HTTPS encryption** - Optionally activatable with automatic certificates and custom certificates.
* **Flexible access control** - HTTP, HTTPS and SSH configurable individually.

**Wi-Fi dongle support**

* **Wi-Fi dongle support** - USB Wi-Fi adapters are recognized immediately and can be used to securely access the device via the mobile app or web interface.

**powerIO Portal connection (Optional)**

* **powerIO Portal connection -** Preparation for powerIO Portal integration with encrypted transmission.
* **powerIO Portal device registration -** Registration of powerIO devices for support purposes and device assignment.

**Optimizations**

* **Memory usage reduced** - 15% less RAM usage in idle mode.
* **Automatic recovery** - Crashed services restart automatically - the system keeps running even without intervention.

**Bug fixes**

* **DNS server applications** - Applications now receive DNS server changes without the application needing to be restarted
* Improvements to UPS monitoring for a stable shutdown.
* Bug fixes in the web interface and correction of typos

</details>

<details>

<summary>4.2 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m100-firmware-4.2.piop">Download</a></summary>

Release Date 24.03.2025

**Bug fixes and improvements**

* **System stability improved** - File system checks and optimized container management implemented.
* **System startup accelerated** - Optimized execution methods reduce startup time and memory usage.
* **Bug fix for package installation** - Issues fixed and installation process stabilized.

</details>

<details>

<summary>4.1 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m100-firmware-4.1.piop">Download</a></summary>

Release Date 31.01.2025

**Bug fixes and improvements**

* Compatibility for the internal application restored through an updated dependency package.

</details>

<details>

<summary>4.0 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m100-firmware-4.0.piop">Download</a></summary>

Release Date 28.01.2025

**Bug fixes and improvements**

* Update of system libraries

</details>

<details>

<summary>3.22 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m100-firmware-3.22.piop">Download</a></summary>

Release Date 14.11.2024

**Bug fixes and improvements**

* Bug fix for restart. In some situations, the restart was not performed when it was executed via the web interface.

</details>

<details>

<summary>3.20 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m100-firmware-3.20.piop">Download</a></summary>

Release Date 04.09.2024

**New features and changes**

* Performance optimization: The core functions have been integrated into the main software, resulting in improved system performance.

**Bug fixes and improvements**

* The network connection at system startup was improved to avoid interruptions.
* An issue with updating configuration files was fixed so that version information is now always displayed correctly.
* An issue with the NTP client was fixed to ensure more accurate system time.
* The management of log files has been optimized to make better use of system resources.

</details>

<details>

<summary>3.10 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m100-firmware-3.10.piop">Download</a></summary>

Release Date 15.05.2024

**Bug fixes and improvements**

* Improved log recording and bug fix for a background service

</details>

<details>

<summary>3.9 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m100-firmware-3.9.piop">Download</a></summary>

Release Date 08.05.2024

**New features and changes**

* After uploading software packages, the user interface now automatically refreshes to show you the unpacking progress.
* The handling of the mobile app has been improved through extended session and authentication options.
* New settings in log file management mean that only relevant warnings are now displayed, increasing clarity.\\

  <figure><img src="https://1006137389-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0iNqm20Eubny3McJVgbJ%2Fuploads%2FBsAGLhtwZVIlUCyDCdUZ%2FScreenshot%202024-05-08%20at%2012.05.04.png?alt=media&amp;token=30991cf0-b68c-4fe6-9826-abb6430c95ff" alt=""><figcaption></figcaption></figure>

**Bug fixes and improvements**

* We have added a network bridge to ensure that your network connections are maintained even during power outages.
* Access logs for certain API paths are no longer stored, further protecting your data.
* Logging and log rotation settings have been optimized to improve system performance and use storage space more efficiently.

</details>

<details>

<summary>3.8 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m100-firmware-3.8.piop">Download</a></summary>

Release Date 22.12.2023

**New features and changes**

* Stability improvement at system startup.

**Bug fixes**

* Previously, when network settings were changed, the change was applied to all network interfaces. This meant that in the case of two network interfaces, an unaffected change caused a very brief flicker.
* When uploading large applications, a timeout was displayed even though there was no timeout.
* After uploading an application, the status does not stay at 100% during unpacking. Instead, the user is shown that the application is being prepared. Afterwards, the application can be installed as usual.

</details>

<details>

<summary>3.7 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m100-firmware-3.7.piop">Download</a></summary>

Release Date 06.11.2023

**New features and changes**

* Add package information for additional user apps

</details>

<details>

<summary>3.6 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m100-firmware-3.6.piop">Download</a></summary>

Release Date 10.10.2023

**New features and changes**

* Control analog values below 255

**Bug fixes**

* Fix: DOs - conversion conditional checks - output is not set.
* Gateway can only be set when switching between DHCP and Static
* Security patches for dependency packages

</details>

<details>

<summary>3.3 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m100-firmware-3.3.piop">Download</a></summary>

Release Date 17.08.2023

**New features and changes**

* Unified web interface for all powerIO devices
* Support for new user applications
* If applications are in the uploaded area and installed, they are retained during subsequent firmware updates (Backup & Restore).
* Extensions for remote update with the Device Manager
* Adjustment of the dashboard web interface with additional information
* The onboard I/Os can **from firmware version 3.3** be used by several applications at the same time. This means that hardware access is no longer reserved exclusively for applications.\
  \
  For the CODESYS user application, the library ["POWERIOHW Hardware Library](/hub/downloads/en/codesys-hvac-downloads/poweriohw-hardware-library.md)" must be used.

**Bug fixes**

* Prevention of simultaneous installation processes, which previously could lead to a conflict.
* Missing timestamps in the diagnostic file were added
* Security patches for dependency packages

</details>

<details>

<summary>0.20 - Firmware <a href="https://dl.powerio.com/downloads/firmware_v0.20.piop">Download</a></summary>

Release Date 07.06.2022

**New features and changes**

* Adjustment of login size
* Network stability improved
* Docker engine updated

</details>


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