PS4 Firmware Update 8.50 Is Available to Download Now Share: It's all go today! Not only has PlayStation 5 just received a massive update, Sony's also updated PS4 with a new firmware update. The last-gen console can now be updated to system software version 8.50, with the patch available to download and install right now. It weighs in at 481.7MB, so it shouldn't take you too long to get up to date. You'll need to if you want to sign in and play online — it's a mandatory update. So, what does it do? Well, actually a fair bit. Here are the patch notes: