Aputure STORM 400x
firmware v1.4
Aputure · Released Nov 4, 2025 · First seen Jul 6, 2026
v1.4 is not the latest firmware for the Aputure STORM 400x: the current version is v1.8 (September 29, 2026). Go to v1.8
What's in this update
Critical Fan Fixes for STORM 400x This update must be performed with a USB drive. The update over Sidus Link and Sidus Link Pro will be coming soon. New Features &
Optimizations
- Optimized the fan control logic for quieter and more stable fan operation and smoother transitions.
- Improved system reliability under continuous and high-temperature use.
- Fixed rare occurrences of false fan error messages (EH.010 / EC.010).
- Optimized the operational logic of fan error codes, to prevent interrupting usage.
- General improvements to system stability, error detection, and fan responsiveness.
Bug Fixes
- Fixed an issue that could cause the interface to freeze when inserting a USB drive.
- Fixed error log reporting inconsistencies.
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