Three Years Later, the PSP Gets a Firmware UpdateBrian Ashcraft1/15/15 6:30amFiled to: pspsonykotakueastkotakucorejapan7611EditPromoteShare to KinjaToggle Conversation toolsGo to permalink Today, Sony released firmware 6.61 for the PlayStation Portable. Um. What?Advertisement According to Sony, the update improves system software stability. For those keeping score, the last time Sony updated the PSP's firmware was in August 2011. The update, however, is currently only for Japan. It will be announced for elsewhere at a later date. Keep in mind that this year, there are still games coming to the PSP in Japan.