What's new in the latest firmware update for Automower® 320 NERA, 430X NERA and 450X NERA

By regularly updating the firmware, you help to keep your Automower® robotic lawn mower in good condition and get access to new features and enhancements released by Husqvarna.

Below you can see the release notes of the latest firmware updates for the following products:

  • 320 NERA
  • 430X NERA
  • 450X NERA
  • Charging station for Automower® NERA

Learn how to update the firmware of your Automower® robotic lawn mower using FOTA (Firmware Over The Air)

Firmware version: 5366155-07A_P21-SwPkg_54.2 (Robotic lawn mower)
Firmware version: 5312252-04A_CS-P21-SwPkg_54.2 (Charging station)

Released 2024-02

New features


  • Improved navigation on the lawn.
  • Improved object avoidance.
  • Adjusted classification of certain errors. Instead of the label ‘fatal’, they are now categorised as ‘confirmable’.
  • Increased mower speed when using the appDrive function on the smartphone to create virtual boundaries or virtual areas with EPOS™ (320 NERA and 430X NERA).
  • General improvements and bug fixes to the mower’s operation.

Note: This SW version is not mandatory, but highly recommended.

Firmware version: 5366155-06B_P21-SwPkg_47.36 (Robotic lawn mower)
Firmware version: 5312252-03A_CS-P21-SwPkg_47.8 (Charging station)

Released 2023-10


  • Improved battery management during winter storage.
  • Improved user experience when changing PIN code.
  • Improved mower collision detection.
  • Various fixes and improvements.

Note: This SW versionis not mandatory, but highly recommended.

Firmware version: 5366155-04B _P21-SwPkg_47.30

Released 2023-06

New features

  • Additional languages available in the mower display.
  • Changed light behaviour when the mower is in error mode.
  • New battery type check.
  • Increased limit to 800 boundary points for complex EPOS areas.


  • Improved Bluetooth connection.
  • Improved stability when following the boundary.
  • Improved detection and managing of small or narrow areas.
  • Improved traction in EPOS mode.
  • Improved edge cutting function.
  • Improved accuracy in “Drive past wire”.
  • Improved docking force.
  • Improved GPS assisted navigation function.
  • General operational improvements and bug fixes.

Note: This software versionis mandatory.

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