Perhaps this update will never see the light of day, whether that be from Sony’s website or via Network Update; however, G.I. Joe The Rise of Cobra UMD comes pressed with firmware 5.55, much like IdolM@ster SP and 5.05. Currently, as confirmed in the below video, 5.55 is required to run G.I. Joe. But really, we all know that’ll be hacked/bypassed in due time.