Unfortunately, the specialist did not share the details. He is only toldthat used a previously unknown vulnerability in the drive to read disks, which allows you to run copies of games without checking the license. In fact, the software makes a confirmation that the disc is licensed for any “disc”.
The engineer said that several games can be recorded on one disc in order to save. Then just open the menu with the choice of the game. The creator of the methodology said that it is young, but when finalized it will be effective for bypassing the license check for PlayStation 4 and even PlayStation 5.