Any bundle released before that date will have a firmware below 7.55. PS4 Firmware 7.55 was released on 6 (August 26th, 2020). “Reasonable” in quotes here, considering that the PS4 has been increasingly hard to find. If you’re looking for a 7.55 PS4, for homebrew, hacks, or other purpose, follow this guide to help you get a 7.55 PS4 for a “reasonable” price.
This is in particular true since those Jailbreaks are typically followed by piracy, which make the devices attractive for a larger category of people than just tinkerers. When this happens, exploitable console prices tend to go up on the secondary market. A 7.55 PS4 exploit was disclosed in January 2021.
