# VM-3P75CT v1.09 Firmware Changelog?

**URL:** <https://community.victronenergy.com/t/vm-3p75ct-v1-09-firmware-changelog/43651>\
**Category:** DIY\
**Tags:** energy\_meter, victron\_community, beginner\
**Created:** [18 August 2025 10:21 UTC](https://community.victronenergy.com/t/vm-3p75ct-v1-09-firmware-changelog/43651 "2025-08-18T10:21:30Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![bagel](https://avatars.discourse-cdn.com/v4/letter/b/49beb7/32.png) [@bagel](https://community.victronenergy.com/u/bagel)\
**Post date:** [18 August 2025 10:21 UTC](https://community.victronenergy.com/t/vm-3p75ct-v1-09-firmware-changelog/43651/1 "2025-08-18T10:21:31Z")

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Hi all,

are there any changelogs for the v1.09 firmware release of the VM-3P75CT?  
I can’t find them …

with best regards,  
Björn

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**Author:** ![Luc](https://avatars.discourse-cdn.com/v4/letter/l/9dc877/32.png) [@Luc](https://community.victronenergy.com/u/Luc)\
**Post date:** [18 August 2025 11:06 UTC](https://community.victronenergy.com/t/vm-3p75ct-v1-09-firmware-changelog/43651/2 "2025-08-18T11:06:12Z")

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Hi @bagel, you can find the changelogs of firmware releases on [Victron Professional](https://professional.victronenergy.com/downloads/firmware/) (you need an account but anyone can sign up).

Below is the v1.09 excerpt from the changelog.  
_Changes/features added:_

- _Fix total power reporting for absolute and arithmetic registration._
- _Add keep-alive mechanism for VE.Can power snapshots to reduce the CPU load on GX devices for non-grid roles._
- _Add power factor reporting according to IEEE convention._
- _Add phase sequence reporting for 3-phase configuration. Requires VenusOS v3.60 or later._
- _Add phase rotation warning for 3-phase configuration._
- _Add averaging for most reported measurements._
- _Improve overall measurements accuracy._
- _Improve PLL locking mechanism._
- _Make Ethernet communication more robust._
- _Update bootloader for v1.06. Fixes reporting of incorrect application version on mDNS._

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**Author:** ![Daza](https://dub1.discourse-cdn.com/victron/user_avatar/community.victronenergy.com/daza/32/29371_2.png) [@Daza](https://community.victronenergy.com/u/Daza)\
**Post date:** [18 August 2025 15:58 UTC](https://community.victronenergy.com/t/vm-3p75ct-v1-09-firmware-changelog/43651/3 "2025-08-18T15:58:00Z")

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for some reason I can’t see this update in the device says 1.08 is the latest I’m also going running 3.64

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**Author:** ![Luc](https://avatars.discourse-cdn.com/v4/letter/l/9dc877/32.png) [@Luc](https://community.victronenergy.com/u/Luc)\
**Post date:** [18 August 2025 19:23 UTC](https://community.victronenergy.com/t/vm-3p75ct-v1-09-firmware-changelog/43651/4 "2025-08-18T19:23:04Z")

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Hi @Daza, version v1.09 is available on VRM and Victron Professional. It is not yet included in Victron Connect.

You can either update through VRM firmware update or downloading v1.09 on Victron Professional and adding it to Victron Connect and update the VM-3P75CT manually.

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**Author:** ![system](https://europe1.discourse-cdn.com/victron/original/1X/21a9a7b5db7c6339715f993568736a7053199995.png) [@system](https://community.victronenergy.com/u/system)\
**Post date:** [19 March 2026 14:05 UTC](https://community.victronenergy.com/t/vm-3p75ct-v1-09-firmware-changelog/43651/6 "2026-03-19T14:05:18Z")

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