Panasonic Lumix LEICA DG 100-400mm F4.0-6.3 II
firmware v1.1
Panasonic Lumix · Released May 14, 2025 · First seen Jul 5, 2026
v1.1 is the latest firmware for the Panasonic Lumix LEICA DG 100-400mm F4.0-6.3 II, released May 14, 2025.
What's in this update
Improved operational stability when combined with certain cameras of other companies.
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