Teradek Bolt 4K
firmware v4.4.7
Teradek · Released Aug 18, 2025 · First seen Jul 11, 2026
v4.4.7 is not the latest firmware for the Teradek Bolt 4K: the current version is v4.5.1 (October 6, 2026). Go to v4.5.1
What's in this update
Teradek Bolt 6/Bolt 4K Firmware Version 4.4.7
Components
- Controller: 2.36 (LT/XT), 2.3 (HDMI only)
- TX Video Processor: 1.29.0 (XT), 1.13.0 (LT)
- RX Video Processor: 1.29.1 (XT), 1.13.1 (LT)
- Radio: 7.8.20
New Features
- Added input/output range settings to RX
- Added 1D LUT support to Bolt 4K and Bolt 6 XT RX
Changes and
Improvements
- BlackMagic record flags are now detected/transmitted for fan control
Bug Fixes
- TX status could be stuck at PLEASE WAIT when only DFS frequencies are enabled
- NOTE: after disabling non-DFS frequencies, settings may take up to 1 minute to take effect
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