Teradek Bolt 4K firmware v4.4.0

Teradek · Released Nov 9, 2023 · First seen Jul 11, 2026

v4.4.0 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 4.4.0

New Features

  • NOTE: This firmware requires Bolt Manager 3.7.0 or later
  • Added support fo​r additional hardware revisions

Changes and

Improvements

  • None

Bug Fixes

  • Fixed audio stuttering/drops with some video formats
  • TX Loopout audio was out of spec, did not work with some monitors
  • Front panel could fail to read radi​o settings/statuses on start up
  • Antenna test sometimes failed to start
  • Scene optimization option could not be changed via Bolt app

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Other versions for this product

See the full firmware history for the Bolt 4K