How to Disable Automatic Updates on Your PlayStation 5
This guide provides step-by-step instructions for disabling automatic updates on a PlayStation 5 console. The process involves navigating the system settings to turn off both automatic game and application updates, as well as system software updates. By disabling these features, users can prevent the console from automatically downloading and installing software patches in the background or while in rest mode. The visual context includes a screen displaying a custom interface labeled 'Relapse' with options for jailbreaking and payloads, highlighting the interest some users have in maintaining specific firmware versions on their hardware.

or just play on pc
REMINDER: you can do that but sony will will cut you off grid, and few days after release of update you will be disconnected from psn account and you stay offline till you change your mind and take the update...however if you had some save games and you delete the game which was
Just let the consoles die. They have forgotten why we bought consoles in the first place and not just go for a small form factor PC.
Then sell your PS5 to some dumbass and save some more to get a PC. Because fuck Sony and Playstation
But why?
Theres no PS5 game worth playing.
The only way to not get updates is to not connect to the Internet, Sony has a hidden path to force updates for this very reason.
Just play on PC and use GoG and Steam, wtf man... you really want Wolverine that bad?
PSA: Get PC.
Also important PSA: if you want shitty company practices to stop you have to also stop rewarding companies who engage in shitty practices with your money.