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