You can download an executable file of the latest firmware for the Yeastar Products, and upload the file in the Web interface to upgrade. More details about upgrade can be found in Firmware Upgrade Guide below. For version details, please read the release notes.
S-Series VoIP PBX supports automatic upgrade. To upgrade automatically, check for new firmware in the Configuration Panel of PBX directly. And you can set how often to check for updates automatically and whether to automatically install.
TG VoIP GSM Gateways
Important: before using the TG V3 firmware 126.96.36.199 to upgrade, please make sure your TG gateway’s firmware version is 91.X.X.X or its SN starts with 331; using this firmware on a non-V3 gateway will result in system crash.
V3: TG200, TG400, TG800, TG1600
TA Analog VoIP Gateways
Important: before using the TA1600/2400/3200 V3 firmware version to upgrade, please make sure your TA gateway’s firmware version is 47.X.X.X or its SN starts with 338; using this firmware on a non-V3 gateway will result in system crash.