Teradek Serv 4K firmware v2.22

Teradek · Released Dec 5, 2024 · First seen Jul 11, 2026

v2.22 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 V​ersion 2.22

New Features

  • Added auto join call toggle for Core Comms
  • Added full device configuration to front panel for devices with 5-way joysticks
  • Added WPA Enterprise WiFi Support
  • Added support for multiple DNS servers in DHCP and static IP modes
  • Added OpenVPN Client to Prism encoders/decoders
  • OpenVPN network configuration can be used to provide VPN access to hotspot-connected devices
  • Added File sync for Teradek TV
  • Added support for syncing device diagnostics with Core for quicker support

Changes and

Improvements

  • Updated web UI design and reorganized configuration pages to improve usability
  • Added a default web UI password and disabled auto-login
  • See https://guide.teradek.com/a/1530201-power-and-connect#access-the-web-ui for details
  • Strong passwords are required when changing web UI password
  • Strong passwords are required for stream auth passwords
  • Core file sync setting is preserved when logging out and back into Core
  • Added Encryption and password protection to diagnostics reports
  • Added "defaults" item to diagnostic report showing all changed values from factory defaults
  • Rearranged System Setings page and split into two sub-pages - Settings & Maintenance
  • Added rate limiting for failed login attempts
  • Added inactive/idle session timeout to web UI
  • Added support for CSRF tokens
  • Added access c​ontrol to diagnostic file downloads
  • Updated web server version

Bug Fixes

  • Analog audio selection was not applied after switching from embedded to analog
  • WiFi could disconnect/reconnect occasionally on some networks
  • If track 1 is disabled when Enabling Multitrack Audio, other tracks were not transmitted
  • Core Comms join call operation sometimes failed on initial connection
  • Continuous recording uploads did not work with FAT32 formatted media
  • When recordings are split at 4GB only the last segmant was uploaded
  • Headphone loopback was muted when audio input is set to analog
  • Web browser memory usage increased over time with Web UI open
  • Event history sometimes failed to populate
  • Fixed recorded file playback in web UI
  • Node 5G-SW: For Verizon SIM, Sierra Wireless was using the default APN instead of custom APN
  • eSIM modem configuration "Auto" did not work

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Other versions for this product

See the full firmware history for the Serv 4K