Because 8.52 is a "dry" firmware (no stable public jailbreak), it is heavily targeted by scammers. If you search YouTube or Discord for "PS4 8.52 Jailbreak," you will find:
If you decide to update your 8.52 console to 11.00, follow these high-level steps: 1. Preparation ps4 8.52 jailbreak
If you are reading this because your console is on 8.52, you must follow the most important rule of console modding: Because 8
If you decide to follow the community standard and update to 9.00 for better stability: Preparation: Obtain a USB drive formatted to Download 9.00 Update: ps4 8.52 jailbreak