Teradek Bolt 6
firmware v4.4.2
Teradek · Released Mar 5, 2024 · First seen Jul 11, 2026
v4.4.2 is not the latest firmware for the Teradek Bolt 6: 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 4.4.2
Components
- Controller: 2.33 (LT/XT), 2.1 (HDMI only)
- TX Video Processor: 1.28.3 (XT), 1.12.1 (LT)
- RX Video Processor: 1.28.1 (XT), 1.12.1 (LT)
- Radio: 7.8.17
New Features
- NOTE: This firmware requires Bolt Manager 3.7.0 or later
- Added U-NII-5 (6GHz) support for Japan Indoor region
Changes and
Improvements
- Improved TX frequency scanning
- Improved RED timecode/record flag transmission reliability
Bug Fixes
- SDI record flags and timecode were not being transmitted in firmware package 4.4.1
- Pairing failed to start if TX was in Searching Frequency state
- TX and RX would fail to link if left in standby state for multiple (6+) hours
- Some Bolt models advertised incorrectly as Bolt 4k 750 over Bluetooth
- Changing OSD name via mobile apps did not work reliably
- Fixed TX 4k60 pattern generator for Bolt 4k/6 XT
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