Teradek Serv 4K
firmware v2.23
Teradek · Released Jun 30, 2025 · First seen Jul 11, 2026
v2.23 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 2.23
New Features
- Added failover test pattern generator for Next Gen codec mode
- Added ability to manually upload files to Core and Frame.io
- Added Next Gen codec mode to Serv 4k
- Added OpenVPN support
- Added customizable uplink checking
- Added setting to device to force VUER and TTV apps to display watermarks
- Added Ethernet Link Speed selection
Changes and
Improvements
- Removed Standard encoder mode, device settings will be migrated when upgrading from 2.22 or earlier
- Restored Min/Max QP in advanced settings
- Added device host name/serial number to login page
- 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 web UI
- Disabled device history feature
- Recordings use local date and time instead of UTC
Bug Fixes
- Core file sync and Frame.io C2C uploads could fail if the network uplink changed while uploads were in process
- Serv4k could start recording without user input if video input changed
- Serv Micro: Adaptive Bitrate Settings didn't take effect until video was restarted
- 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
- Web UI was causing increased browser memory usage
- Web Interface reloaded unnecessarily after connecting to OpenVPN server
- Ethernet was not initialized correctly when connecting to non-gigabit ethernet equipment
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