Teradek Serv 4K firmware v2.24

Teradek · Released Dec 22, 2025 · First seen Jul 11, 2026

v2.24 is not the latest firmware for the Teradek Serv 4K: the current version is v2.25.20260526 (June 3, 2026). Go to v2.25.20260526

What's in this update

Teradek Serv 4k Firmware Version 2.24

New Features

  • Added USB audio input support
  • Added real time file upload support for Core, S3 file sync
  • Added selection between Sequential and Parallel file uploads for Frame.io

Changes and

Improvements

  • Added read permissions ​for all groups/users to recorded files
  • Improved web UI mobile compatibility
  • Band selection for custom modem configuration is saved when switching between Auto & Custom
  • Improved network uplink detection when connectivity is poor
  • Added support for throttling of status information between devices and Core
  • Added support for hostname registration via DHCP
  • Enter key now works to apply EAP network settings
  • System processes are restarted if a firmware upgrade is interrupted or fails before reboot

Bug Fixes

  • Unplugging ethernet cable could disrupt other active network connections
  • Mac-generated PNGs could not be uploaded to use with Pattern Generator or OSD
  • HEVC MP4s did not work in some players - Changed HEVC Codec ID header to hvc1 instead of hev1
  • SD card could not be accessed if formatting was done too soon before recordings were started
  • Upload entries were duplicated on Frame.io for files recorded while offline
  • Recording utility could restart when uploading multiple files simultaneously
  • In progress recording uploads could not be manually stopped
  • Corrupt recordings could prevent media information from loading
  • Disabling the Core file sync toggle would stop recordings
  • File browser ​did not display files mounted via NFS correctly, files could not be downloaded
  • NFS drives sometimes failed to unmount
  • Codec restarted when attempting to record to offline NFS drive
  • Recorded files had no audio track when Audio codec was set to AC3
  • Diagnostics report did not contain 'defaults' file
  • PAP SIM authentication did not work for some carriers

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Other versions for this product

See the full firmware history for the Serv 4K