What is the correct method to install a firmware update on a single-image system?

A.
Load the firmware CD to the optical drive and perform a LODRUN operation.

B.
Download the firmware and burn it to a CD, then perform a D-side manual IPL.

C.
From the DSPEMWSTS screen, use the function to “Update firmware from service machine.”

D.
Install the appropriate firmware PTF package to the IBM i partition and IPL the partition.