Firmware for UCM6102/UCM6104/UCM6108/UCM6116 released as Official


Dear Grandstream Customers,

Firmware for UCM6102/UCM6104/UCM6108/UCM6116 is released as official. The firmware and release note can be downloaded from:

– (1) For the devices on firmware version prior to, please upgrade to first, then upgrade to (or, before upgrading to
(2) For the devices on firmware version or 1.0.5.x, please upgrade to (or first before upgrading to Otherwise the configuration on the device might be lost.
– Here is the downloading link for firmware
Here is the downloading link for firmware
– Once upgraded, downgrading to any previous firmware versions prior to (including is NOT
– We strongly recommend you to back up the configuration and all files before you upgrade, when running and; backup files from all previous firmware versions prior to (including will not be able to be restored to directly but they can be used by Grandstream support team to help you recover your configuration and data if anything goes wrong during your upgrade.

Please contact us should you have any issues. Thank you for your support for Grandstream products.

Technical Support
Grandstream Networks, Inc.


Can anybody tell me if this release includes off-hook auto-dialing for the built-in FXS extensions?


Sorry but I cannot seem to find this version on the link specified on the post. Can you kindly direct me to the link to download ? My UCM6104 is still on version Thank you.


Near the bottom of the page there are the release notes and a link to the .26 firmware. Read the release notes to see what it gains you from a bug fix perspective from the .25 release


Thank you for the link. I appreciate the help ! :slight_smile:


Someone have the firmware file, that could share me?.

I have follow the link, and ther is no the file.

I appreciate your help, in advance.


here you can find the previous releases, I think you don’t find the older ones for security problems