You have multiple ways to update the PBX firmware. We suggest you back up the PBX configurations before you start to update the PBX firmware.
Completing a Firmware Upgrade
You have multiple ways to update the PBX firmware. We suggest you back up the PBX configurations before you start to update the PBX firmware.
One-Click Upgrade
You can set the PBX to check new firmware version automatically, if the PBX has a new released version, you can do one-click upgrade.
Browse a Local File to Upgrade
Firmware can be downloaded to your local computer and then be uploaded to the S-Series directly.
Upgrade Firmware by HTTP Method
You can get the firmware download link from Yeastar Firmware Download center, and enter the link to the PBX web interface to upgrade firmware.
Upgrade Firmware by TFTP Method
You can download the latest firmware file from Yeastar Firmware Download center to your TFTP server. Then upgrade the PBX firmware from the TFTP server.
