The Sony Alpha 1 II (ILCE-1M2) is the second-generation flagship full-frame mirrorless camera featuring a 50.1 MP stacked BSI-CMOS sensor with improved AI subject recognition, 30 fps burst, 8K30p RAW video output, and a redesigned grip for better handling. It adds an AI Processing Unit alongside the BIONZ XR processor for enhanced tracking and scene recognition. The A1 II continues Sony's top-tier Alpha mirrorless line.
Product released: November 15, 2024
Latest firmware version
Version 4.00, released October 30, 2025
Last checked for updates: Oct 31, 2026 04:25 UTC
What's new in version 4.00
You can download the software update using the Creators' App available in the App Store and Google Play.
The Sony Alpha 1 II (ILCE-1M2) is the second-generation flagship full-frame mirrorless camera featuring a 50.1 MP stacked BSI-CMOS sensor with improved AI subject recognition, 30 fps burst, 8K30p RAW video output, and a redesigned grip for better handling. It adds an AI Processing Unit alongside the BIONZ XR processor for enhanced tracking and scene recognition. The A1 II continues Sony's top-tier Alpha mirrorless line. It was originally released on November 15, 2024.
What is the latest firmware version of Sony A1 II Camera?
The latest firmware version of Sony A1 II Camera is 4.00. It was released on October 30, 2025.
What changed in Sony A1 II Camera firmware version 4.00?
Sony A1 II Camera firmware version 4.00 includes the following changes: You can download the software update using the Creators' App available in the App Store and Google Play.
Where can I download the latest Sony A1 II Camera firmware?
Details and download instructions for the latest Sony A1 II Camera firmware (version 4.00) are on Sony's official release page: https://www.sony.co.uk/electronics/support/e-mount-body-ilce-1-series/ilce-1m2/software/00349484