What the fake playstation update screen is
Console updates are the most reliably annoying kind: they arrive exactly when someone has sat down to play, and they cannot be skipped. That shared frustration is what makes this one land.
Run it on a television with a browser, or cast a laptop to one. On a big screen with no visible browser interface it is very convincing indeed.
PlayStation update prank on a TV
Most smart televisions have a browser, and most support fullscreen. Open the page there, press F or the fullscreen button, and hand someone the controller.
Nothing is installed and the console is not touched — this is a web page on whatever device is displaying it.
How to run it, and how to stop it
Press F for fullscreen, then F11 to hide the browser’s own toolbars. That second step is the one that matters: an address bar sitting above the screen gives the whole thing away instantly.
To end it: Escape leaves fullscreen, F11 brings the toolbars back, and closing the tab removes it entirely. Nothing is installed, no file is written and no setting is changed, so there is nothing to undo afterwards.
Worth saying plainly — use this on people who will find it funny, and on machines you are allowed to touch. Show them the way out once the joke has landed.