EOL Notice: 1.0.18.x is the last supported firmware for the UCM6100 series.
1. Backup your data including configuration before firmware upgrade is a MUST.
2. For UCM6xxx on 1.0.17.x, please upgrade to 1.0.18.x directly.
3. For UCM6xxx on firmware earlier than 1.0.17.x, please upgrade to 220.127.116.11 first, then upgrade to 1.0.18.x. To upgrade to 1.0.17.x, please check 18.104.22.168 release notes “Important Upgrading Note” section and follow the instructions.
4. It is recommended to upgrade UCM to latest firmware for product lifespan and security improvements.
Download UCM61xx Firmware Files:
Previous UCM61xx Firmware versions are available here: