Teradek Prism Flex firmware v2.23

Teradek · Released Jun 30, 2025 · First seen Jul 11, 2026

v2.23 is not the latest firmware for the Teradek Prism Flex: the current version is v2.25.20261021 (October 21, 2026). Go to v2.25.20261021

What's in this update

Teradek Prism Firmware Version 2.23

New Features

  • Added failover test pattern generator for Next Gen codec mode
  • Added OpenVPN Server on Decoder for DHCP bridging to remote encoders
  • Enabled HEVC Support for manual RTMP streaming, YouTube
  • Added SCTE 104/35 support to encoder and decoder (Additional license required)
  • Added ability to manually upload files to Core and Frame.io
  • Added customizable uplink checking
  • Added setting to device to force VUER and TTV apps to display watermarks
  • Added interface selection to web UI for MPEG-TS decoder config
  • Users can now select which audio track to use in an RTMP stream
  • Added audio only options for Secondary RTMP Streams
  • Added button ​to reset streaming stats on the decoder for SRT / RTP
  • Added Ethernet Link Speed selection
  • Users can to select Core Share sources via decoder Front panel

Changes and

Improvements

  • Removed Standard encoder mode, device settings will be migrated when upgrading from 2.22 or earlier
  • Restored decoder network interface selection
  • Added URLs for SDP file downloads for RTP Push stream mode
  • Added device host name/serial number to login page
  • Added Core Comms to Prism Mobile Vertical Menu
  • Front panel record indicator now blinks when recording
  • Greatly improved file upload robustness when connectivity is lost or slow
  • Added user notification if Frame.io authorization fails
  • Allow user to configure camera type (for fan control) without recording enabled
  • Interval recording suffix number now increases beyond the configured max files number
  • Node Band Selection options are all enabled by default
  • Added reference guide link to Prism web UI
  • Disabled device history feature
  • SRT/MPEG-TS stream stabili​ty improvements

Bug Fixes

  • Core file sync and Frame.io C2C uploads could fail if the network uplink changed while uploads were in process
  • Decoder SDI metadata was not initialized on startup
  • 877 Cards did not detect HDMI backplate/source
  • RTMP auto-reconnect did not work if the server terminated the connection
  • Manually Adding Wi-Fi networks failed due to an invalid password message
  • Connecting to WPA Enterprise networks from web UI when switching directly from AP mode didn't work
  • Overlay editor did not show video preview as background
  • Overlay editor did not display previously configured overlays
  • Right status column showed Audio Track 0 for all Audio Tracks
  • Web UI was causing increased browser memory usage
  • Web Interface reloaded unnecessarily after connecting to OpenVPN server
  • Cloud accounts were displayed as connected even if devices could not connect
  • Decoder audio mapping changes didn't take effect until the codec restarted
  • Decoder overlays were not shown in some configurations
  • Ethernet was not initialized correctly when connecting to non-gigabit ethernet equipment
  • Modem Diagnostic Reports were not being created correctly
  • Hyperion Ingest could not be configured/selected
  • Prism Flex decoder serial number and product info was not shown

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Other versions for this product

See the full firmware history for the Prism Flex