You can update the firmware using the firmware update tool, which can be obtained in these ways for the Oracle Solaris x86, Linux, and Windows environments:
Oracle System Assistant (OSA), a built-in tool on x86 servers or a USB thumb drive shipped with the server, which contains the firmware update tool. Refer to the text files in OSA for instructions on updating your firmware.
Hardware Management Pack, which includes the firmware update tool. Refer to the text files in HMP for instructions on updating your firmware.
fwupdate Automatic Mode Command Syntax. For more information on this command, refer to the Hardware Management Pack 2.3.x Documentation (http://docs.oracle.com/cd/E52095_01/index.html).