1. Backup your data including configuration before firmware upgrade is a MUST.
2. For UCM6xxx on 1.0.17.x, please upgrade to 188.8.131.52 directly.
3. For UCM6xxx on firmware earlier than 1.0.17.x, please upgrade to 184.108.40.206 first, then upgrade to 220.127.116.11. To upgrade to 18.104.22.168, please check 22.214.171.124 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 UCM62xx Firmware Files:
Previous UCM62xx Firmware:
UCM62xx 126.96.36.199: Firmware File
UCM62xx 188.8.131.52: Firmware File
UCM62xx 184.108.40.206: Firmware File