Teradek Bolt 4K
firmware v4.5.0
Teradek · Released Sep 22, 2026 · First seen Sep 23, 2026
v4.5.0 is the latest firmware for the Teradek Bolt 4K, released September 22, 2026.
In short — summary by updatemystuff.com
Extended SDI metadata support for SONY cameras; fixed ALEXA 35 metadata transmission.
- Extended SDI metadata support for SONY cinema cameras
- Fixed ALEXA 35 SDI metadata transmission issues
Written from Teradek's release notes, which are printed in full below.
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What's in this update
Teradek Bolt 6/Bolt 4K Firmware Version 4.5.0
Components
- Controller: 2.37 (LT/XT), 2.4 (HDMI only)
- TX Video Processor: 1.30.0 (XT), 1.14.0 (LT)
- RX Video Processor: 1.31.0 (XT), 1.15.0 (LT)
- Radio: 7.8.21 (TX), 7.8.20 (RX)
New Features
- Added support for extended SDI metadata for SONY cinema cameras
Changes and
Improvements
- None
Bug Fixes
- Fixed ALEXA 35 SDI metadata transmission, some fields were not always transmitted correctly
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