The only truly "free" way is if a friend who owns a 4-letter name decides to change their ID and gives you the exact 24-hour window to claim the old name. This is a gamble, but it costs $0.
No legitimate business sells something for free. If you see a website offering "Free 4 letter PSN names for sale," it is likely a data harvesting scam or a phishing link . 4 letter psn names for sale free
In 2019, Sony finally introduced the ability to change your PSN ID. While changing your name costs $9.99 (free for first change for PS Plus members), it opened a door for finding short names. The only truly "free" way is if a