UCM61xx Release Notes


1. Backup your data including configuration before firmware upgrade is recommended.

2. For UCM61xx on, please upgrade to directly.

3. For UCM61xx on, please upgrade to first, then upgrade to

4. For UCM61xx on, please upgrade to first, then upgrade to, and then

5. For UCM61xx that’s still on (or lower), please follow the instructions in the release notes here carefully to upgrade to firmware first. Then follow the firmware upgrade process to upgrade to>> Backup is required before upgrading. Please prepare SD card or USB storage device to backup your configuration and data before upgrading.

6. Once upgraded to, downgrading to (or lower) is not supported.



UCM61xx Release Firmware Package

(including,,, and firmware files)