. If you have encountered a website or download link promising a "one-click" .exe installer to rollback your PS4's system software, it is a malicious scam or malware targeting eager gamers.
If you are looking for a way to revert a digital game to its base version (for glitches or speedrunning), you are likely looking for a proxy tool. These work by tricking the PS4 into downloading an older package from Sony's servers. : A popular proxy network tool available on that allows you to download specific versions of PS4 games. PSX Helper : An older tool often used to redirect PSN downloads. : These tools do Ps4 Tool Downgrade V1.00 Exe Download
Legitimate hardware reversion tools can permanently break your console if used incorrectly. The Reality of PS4 Downgrading These work by tricking the PS4 into downloading