In other words, it needs to be “Downgradable” to firmware 3.56/3.55. Basically, your PS3 needs to have had a factory firmware of 3.56 or lower. So with that in mind I gathered all the information together in one convenient post that will help you find out the answers! FAQĪ.) Yes, but only under certain conditions.
So with the explosion of the PlayStation 3 scene there have been a plethora of questions pertaining to the PS3 and downgrading.