Important Firmware News
- For GWN devices, firmware upgrading path firmware.grandstream.com via HTTP is no longer available. This is to prevent unplanned massive GWN upgrade without users being aware of new firmware version. HTTP upgrade server for GWN is still available, and each firmware is now using specific upgrade path. Please see "HTTP Upgrade Server" listed in the firmware table below.
- UCM61xx EOL notice: Firmware 1.0.18.x will be the last supported firmware for UCM61xx. UCM61xx will no longer receive new features, but will continue to receive critical security updates and major bug fixes.
- UCM6xxx Upgrade Notice: Please upgrade all UCM devices to latest official firmware for product lifespan and security improvements .
Firmware for all Grandstream products are improved and updated on a regular basis. Please check for the latest upgrade for your product or sign up to receive newsletter for new/beta firmware releases.
Grandstream recommends using HTTP protocol for firmware upgrades. Please note our public firmware upgrade server is using HTTP .
Note:
1. Firmware marked with * is released with limited bug fixes and feature implementation, please read release notes for more information.
2. Previous firmware for certain products can be found here.
3. For GWN devices, firmware upgrading path firmware.grandstream.com via HTTP is no longer available. This is to prevent unplanned massive GWN upgrade without users being aware of new firmware version. HTTP upgrade server for GWN is still available, and each firmware is now using specific upgrade path. Please see "HTTP Upgrade Server" listed in the firmware table below.
Note: Once upgrading GCC system to 1.0.1.34, downgrading to older firmware is not allowed.
Warning: Downgrading from firmware 1.0.5.x or higher version to 1.0.3.x or lower version will cause device to perform factory reset automatically. All device configurations will be reset to factory default settings after downgrading.
Warning: Downgrading from firmware 1.0.9.x or higher version to 1.0.7.x or lower version will cause device to perform factory reset automatically. All device configurations will be reset to factory default settings after downgrading.
Warning: Downgrading from firmware 1.0.9.x or higher version to 1.0.7.x or lower version will cause device to perform factory reset automatically. All device configurations will be reset to factory default settings after downgrading.
Warning: Downgrading from firmware 1.0.9.x or higher version to 1.0.7.x or lower version will cause device to perform factory reset automatically. All device configurations will be reset to factory default settings after downgrading.
Note:
For GWN devices, firmware upgrading path firmware.grandstream.com via HTTP is no longer available. This is to prevent unplanned massive GWN upgrade without users being aware of new firmware version. HTTP upgrade server for GWN is still available, and each firmware is now using specific upgrade path.
