Teradek Ace 750 firmware

Firmware history

1. Version 4.5.1 Latest Released Oct 6, 2026 First seen Oct 7, 2026
   Show release notes Hide release notes

   Teradek Bolt 6/Bolt 4K F​irmware Version 4.5.1

   Components

   • Controller: 2.38 (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 fiel​ds were not always transmitted correctly
   • 3D LUTs could not be loaded on newer Bolt 6 LT RX devices
   Release notes & download
2. Version 4.5.0 Released Sep 22, 2026 First seen Sep 23, 2026

   Added SONY SDI extended metadata support; fixed ALEXA 35 transmission bug. — summary by updatemystuff.com

   Show release notes Hide release notes

   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
   Release notes & download
3. Version 4.4.10 Released Jun 22, 2026 First seen Jul 11, 2026
   Show release notes Hide release notes

   Teradek Bolt 6/Bolt 4K Firmware Version 4.4.10

   Components

   • C​ontroller: 2.37 (LT/XT), 2.3 (HDMI only)
   • TX Video Processor: 1.29.0 (XT), 1.13.0 (LT)
   • RX Video Processor: 1.30.0 (XT), 1.14.0 (LT)
   • Radio: 7.8.21 (TX), 7.8.20 (RX)

   New Features

   • None

   Changes and Improvement​s

   • None

   Bug Fixes

   • Screen tearing/artifacts could occur when using 1080i video formats
   Release notes & download
4. Version 4.4.9 Released May 4, 2026 First seen Jul 11, 2026
   Show release notes Hide release notes

   Teradek Ace/Bolt 6/Bolt ​4K Firmware Version 4.4.9

   Components

   • Controller: 2.37 (LT/XT), 2.3 (HDMI only)
   • TX Video Processor: 1.29.0 (XT), 1.13.0 (LT)
   • RX Video Processor: 1.30.0 (XT), 1.14.0 (LT)
   • Radio: 7.8.21

   New Features

   • None

   Changes and

   Improvements

   • None

   Bug Fixes

   • Bolt app was failing to upda​te device settings
   • Device names could be listed twice when pairing with app
   Release notes & download
5. Version 4.4.8 Released Jan 16, 2026 First seen Jul 11, 2026
   Show release notes Hide release notes

   Teradek Bolt 6/Bolt 4K Firmware Version 4.4.8

   Components

   • Controller: 2.36 (LT/XT), 2.3 (HDMI only)
   • TX Video Processo​r: 1.29.0 (XT), 1.13.0 (LT)
   • RX Video Processor: 1.30.0 (XT), 1.14.0 (LT)
   • Radio: 7.8.20

   New Features

   • Added 2K DCI output support

   Changes and Improvements

   • None

   Bug Fixes

   • ACE 750 overheat warning was activating at lower than necessary temperatures
   Release notes & download
6. Version 4.4.7 Released Aug 18, 2025 First seen Jul 11, 2026
   Show release notes Hide release notes

   Teradek Ace 750, Bolt 6/4K Firmware Version 4.4.7

   Components

   • Controller: 2.36 (LT/XT), 2.3 (HDMI only)
   • TX Video Processor: 1.2​9.0 (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 Bolt RX
   • Added 1D LUT support ​to Bolt 4K and Bolt 6 XT RX

   Changes and

   Improvements

   • None

   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
   Release notes & download
7. Version 4.4.5 Released Dec 5, 2024 First seen Jul 11, 2026
   Show release notes Hide release notes

   Teradek Ace 750, Bolt 4K/6 Firmware Version 4.4.5

   Components

   • Controller: 2.35 (LT/XT), 2.2 (HDMI only)
   • TX Video Processor: 1.28.6 (XT), 1.12.4 (LT)
   • RX Video P​rocessor: 1.28.7 (XT), 1.12.6 (LT)
   • Radio: 7.8.20

   New Features

   • Added 5/6GHz support for Bolt 6 in Australia region

   Changes and

   Improvements

   • Changed Static Video Optimization default setting to disabled
   • Changes to OSD name are now reflected without unpairing and re-pairing devices

   Bug Fixes

   • HDR metadata was not transm​itted, output on RX HDMI
   • If pairing failed, unpaired RX would display 'No Link' instead of 'Not Paired'
   • Bolt LT HDMI TX was stuck at 5965 MHz when fixed frequency is enabled in U-NII-5 band
   • 3D LUT was not applied to RX correctly when sent via Bolt Manager
   Release notes & download
8. Version 4.4.4 Released Sep 5, 2024 First seen Jul 11, 2026
   Show release notes Hide release notes

   Teradek Ace 750, Bol​t 4K/6 Firmware Version 4.4.4

   Components

   • Controller: 2.35 (LT/XT), 2.2 (HDMI only)
   • TX Video Processor: 1.28.6 (XT), 1.12.4 (LT)
   • RX Video Processor: 1.28.7 (XT), 1.12.6 (LT)
   • Radio: 7.8.20

   New Features

   • Added 5/6GHz support for Bolt 6 in Australia region

   Changes and

   Improvements

   • Changed Static Video Optimization default setting to disabled
   • Changes to OSD name are now reflected without unpairing and re-pairing devices

   Bug Fixes

   • HDR metadata was not transmitted, output on RX HDMI
   • If pairing failed, unpaired RX would display 'No Link' ​instead of 'Not Paired'
   • Bolt LT HDMI TX was stuck at 5965 MHz when fixed frequency is enabled in U-NII-5 band
   • 3D LUT was not applied to RX correctly when sent via Bolt Manager
   Release notes & download