MG90 Software Release NotesAug 29, 2025Author: Sierra WirelessThis article contains the MGOS Software Release Notes. Date Issued Release Notes 29 August 2025 MGOS 4.4.3.2 Software Release Notes 22 May 2025 MGOS 4.4.3.1 Software Release Notes January 2025 MGOS 4.4.3 Software Release Notes April 2024 MGOS 4.4.2.3 Software Release Notes August 2023 MGOS 4.4.2.2 is a limited release specifically for customers with GPS location applications that use TAIP messaging. For details, refer to the MGOS 4.4.2.2 Software Release Notes. If you require this release, contact technical support at www.sierrawireless.com/support. April 2023 MGOS 4.4.2.1 Software Release Notes May 2022 MGOS 4.4.1 Software Release Notes (MG90 5G routers only) Jul 2021 MGOS 4.3.1 Software Release Notes: MGOS 4.3.1.2 Software Release Notes MGOS 4.3.1.6 is a factory-only release for MG90 LTE-A Pro routers. For details, refer to the MGOS 4.3.1.6 Software Release Notes. Important - Review Sierra Wireless Technical Bulletin - MGOS 4.3.1.1 Feb 2020 MGOS 4.3.0.1 Software Release Notes Dec 2019 MGOS 4.3 Software Release Notes Jun 2019 MGOS 4.2.3 Software Release Notes Nov 2018 MGOS 4.2.2 Software Release Notes Nov 2018 MGOS 4.2.1 Software Release Notes Nov 2018 MGOS 4.2.0.2 Software Release Notes Aug 2018 MGOS 4.2 Software Release Notes Nov 2018 MGOS 4.1.2.2 Software Release Notes Dec 2017 MGOS 4.1.2 Software Release Notes Jul 2017 MGOS 4.1 Software Release Notes May 2017 MGOS 4.0.5 Software Release Notes Mar 2017 MGOS 4.0.4 Software Release Notes Jan 2017 MGOS 4.0.3 Software Release Notes Note: AirLink MG90 router BulletinsTags+ AirLink+ MG90