As of 2025, the answer is: Yes, but with nuance.
However, if you are setting up RPCS3 for the first time in 2025, the official quickstart guide now suggests using 4.90 for the sake of modernity. But a quick Google search for “rps3 firmware 2021” proves that thousands of users intentionally downgrade or stick to the older revision.
Published: Retro Gaming Tech Journal Reading Time: 9 minutes rps3 firmware 2021
If you have ever dipped your toes into the world of PlayStation 3 emulation, you have undoubtedly heard of RPCS3—the groundbreaking open-source emulator that allows gamers to play PS3 titles on PC. But a successful RPCS3 installation hinges on one critical component: the official PS3 firmware. Specifically, searching for the correct version often leads users to the query: “rps3 firmware 2021.”
While RPCS3 has evolved significantly from 2021 to today, the firmware version released during that year remains a landmark in the emulator’s history. Why? Because Version 4.88 (the primary firmware build of 2021) represented a perfect storm of stability, compatibility, and security patching. As of 2025, the answer is: Yes, but with nuance
In this article, we will dissect everything you need to know about installing and using the 2021 PS3 firmware on RPCS3, why that specific year’s build is still relevant, and how it changed the emulation landscape.
While the official patch notes cited "improved system performance," technical analysis by the homebrew and developer communities provided more specific insights: However , if you are setting up RPCS3
Prior to the release of firmware 4.88, the previous update (4.87) had been released in December 2020. The release of a new update in mid-2021 was surprising to the gaming community, as the PlayStation 5 had already launched, and the PS3 was well past its end-of-life cycle for active software development.