B199 firmware is available from the Avaya support website (see Downloading the B199 Firmware). You must also download and read any release notes associated with the firmware.
Using the phone's IP address, browse to https://<IP_Address>. The address can be obtained from the phone's status menu (see Checking the B199 Status)
Log in using the phone's admin password.
Select the Provisioning tab.
In the Firmware section, click Choose File and select the firmware file on your PC.
Click Save.
The phone displays Upgrade in progress, please wait. Once it has upgraded, the phone reboots. Do not remove power from the phone until these processes have been completed.
