EOL Notice: 1.0.18.x is the last supported firmware for the UCM6100 series.
1. Firmware 220.127.116.11 contains security fix. Please upgrade UCM61xx to 18.104.22.168 immediately.
2. Backup your data including configuration before firmware upgrade is a MUST.
3. For UCM6xxx on 1.0.17.x, please upgrade to 1.0.18.x directly.
4. For UCM6xxx on firmware earlier than 1.0.17.x, please upgrade to 22.214.171.124 first, then upgrade to 1.0.18.x. To upgrade to 1.0.17.x, please check 126.96.36.199 release notes “Important Upgrading Note” section and follow the instructions.
5. It is recommended to upgrade UCM to latest firmware for product lifespan and security improvements.
Download UCM61xx Firmware Files:
Previous UCM61xx Firmware:
UCM61xx 188.8.131.52: Firmware File
UCM61xx 184.108.40.206: Firmware File
UCM61xx 220.127.116.11: Firmware File
UCM61xx 18.104.22.168: Firmware File
UCM61xx 22.214.171.124: Firmware File
UCM61xx 126.96.36.199: Firmware File