Teradek Serv 4K firmware v2.16

Teradek · Released Apr 1, 2023 · First seen Jul 11, 2026

v2.16 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 2.16

New Features

  • Added Audio/Video failover pattern generator
  • Added Sony C3P recording file sync support
  • Added option to disable external cell modems

Changes and

Improvements

  • Improved file upload reliability on unreliable networks
  • Reduced modem connection times on startup and after configur​ation changes
  • Added constant/variable bitrate toggle to encoder advanced settings
  • Teradek Cloud stream settings are cleared when device is unlinked from Core account

Bug Fixes

  • In progress file uploads were not always resumed when network connectivity changes
  • Modems sometimes failed to connect after startup or configuration changes
  • Codec sometimes needed to be restarted after disconnecting from Core
  • Camera metadata was not captured on every st​artup with PsF or interlaced formats
  • Sony Camera trigger mode did not work if no filename was detected
  • Semicolon (;) and dollar sign ($) characters prevented recordings from saving
  • Some recorded HEVC files started with 1 or 2 black frames
  • Account integration IDs were not cleared properly when performing a factory reset
  • Local stream did not work if percent (%) character was used in the password field

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Other versions for this product

See the full firmware history for the Serv 4K