To update the NGTC-BIB4-PoE, Atterotech unD4I based, units, please follow the procedure below.

Audinate Version V4.0.0

unD4I MCU Release Notes
Feature enhancements:
• #1777 – Upgraded application firmware to support new features available in
Audinate’s Ultimo firmware version 2.1.1.18.
Corrected Issues:
• #2052 – Corrected Ethernet switch configuration settings which could cause random switch failures causing the unD4I to stop receiving audio and not be
discovered on the network.
• #2104 – Corrected network message handling for messages greater than
128 bytes.
• #2164 – Corrected an issue that prevented production device Dante firmware
from being updated.

Update procedure (unzip files first after download)(login needed):

1. Install the AtteroTech-McuFirmwareUpdate
2. Install the DanteFirmwareUpdateManager-3.10.0.9
3. Update the unD4I-U_app_3_0_0 firmware with the Dante Firmware Update Manager to Version 3.
4. Update theunD4I.0800.8004.3.3 with the AtteroTech-Mcu Firmware Update Software.
5. Update the unD4I-C_app_4_0_0 firmware with the Dante Firmware Update Manager to Version 4

Please note that the above steps need to be done in sequence, otherwise the device will fail.

Audinate Version V4.3.0

Update for all units that are running V4.0.0.

Corrected Issues:

• The firmware corrects a loss of audio between Dante based devices after an extended static operating period (typically > 1 month)

Update procedure (unzip files first after download)(login needed):

1. Install the DanteFirmwareUpdateManager-3.10.0.9
2. Update the unD4I_app_4_3_0 firmware version C or U.

Please note that the above steps need to be done in sequence, otherwise the device will fail.