Here are a few options for a post about a "PS4 Downgrade Tool," depending on where you intend to post it (e.g., a tech forum, a social media channel, or a news blog).
To perform a downgrade, you typically need a combination of these resources: A universal programmer (like a Teensy 4.1 ) to interface with the console's chips. Software Patchers: PS4 Wee Tools downgrade tool ps4