# Release notes

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MClimate is devoted to keeping our products up to date with the latest advances in the space of IoT. Thus, we push updates for the purpose of introducing New Features or in order to improve Existing Functionality. We are committed to making our products better!

We have made the option to update the firmware of your device (check improvements each version brings below) via a remote update. Learn on how to initiate the update in the [FUOTA section](https://docs.mclimate.eu/mclimate-lorawan-devices/firmware-upgrade-over-the-air-fuota) of our documentation.
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### Firmware version 1.3

**Release date:** \
21 February 2025

* Energy harvesting optimisation in low light conditions.
* Fixed a bug related to the display of the label (400) on the CO2 graph.
* Added a function to send an uplink when pressing the "Check" button.
* Added [radio commands](https://docs.mclimate.eu/mclimate-lorawan-devices/devices/co2-display-lite-device-communication-protocol/network-related-settings-and-others#set-get-uplink-sending-on-button-press) to enable/disable the uplink sending function when the "Check" button is pressed.

### Firmware version 1.2

**Release date:** \
18 November 2024

* Fixed issue with temperature reading.
* NEW - command to remotely [restart the device](https://docs.mclimate.eu/mclimate-lorawan-devices/devices/mclimate-co2-display-lite/co2-display-lite-device-communication-protocol/restart-device) - A5.

### Firmware version 1.1

**Release date:** \
23 May 2024

* Fixed an issue related to incorrect displaying of null values on graphs.
* Changed the child lock function to unlock/lock the device keys by holding the "Check" button for 10 seconds.

### Firmware version 1.0

**Release date:** \
10 May 2024

* Initial firmware release