March 3, 2026

AtomOS 12.5.1 Firmware Release Notes

Installation Instructions

Detailed instructions on how to install the latest firmware on your device can be found on the firmware download page for your product: www.atomos.com/product-support/

Major updates:

• Add support for Mavis Cloud Hub
• Touch Focus and Camera Control for FujiFilm GFX ETERNA 55
• Touch Focus and Camera Control for FujiFilm GFX100RF, GFX100S II
• Touch Focus and Camera Control for Canon EOS R5, EOS R6 and EOS R6 Mark III
• Touch Focus and Camera Control for Panasonic DC-GH7, DC-S1H
• Touch Focus and Camera Control for Sony A7V

See www.atomos.com/ninja-tx-certified/ for supported storage & accessories.