Even if you have the hardware skills, this revert is only possible if the previous firmware slot still contains the lower version you want. As noted, certain actions will overwrite this slot.
Sony uses a hardware-level check involving the (System Controller) and the console's internal flash storage. When you update to 13.02, the console "blows fuses" or updates its internal database to ensure it never boots a version lower than the current one. ps4 downgrade 13.02 to 9.00
The PlayStation 4 modding community heavily revolves around firmware version 9.00. This specific version allows for a stable, webkit-based exploit (p00bs4) that grants users full homebrew access, custom themes, and backups. However, if your console has been updated to the latest 13.02 firmware, you might feel locked out of these features. Even if you have the hardware skills, this
: If you are on 13.02 and want to jailbreak, do not update to newer versions like 13.50. Stay on the lowest firmware possible and wait for developers to release a new kernel exploit. When you update to 13
: There is no way to downgrade via USB or DNS . Reverting requires complex hardware modification, including soldering to the Syscon and NOR chips.
The short answer is . The longer answer is: it depends on your definition of "downgrade" and your willingness to perform advanced, risky hardware modifications.
As of early 2026, firmware 13.02 is considered a "security patch" version.