The concept of refers to the process of modifying games or updates designed for newer firmware versions (e.g., 10.00+) so they can run on older, jailbroken firmware like 9.00 . Backporting to Firmware 9.00
Backporting involves re-encrypting a game's binary files using keys compatible with an older firmware version. This is essential for the homebrew community because many newer titles require system software updates that would break existing jailbreaks like the popular pOOBs4 exploit on 9.00 Verified Backports ps4 backport 900 verified