The latest jailbreak is for firmware 3.55 or below.
1. They have 2 PS3s (one jailbroken and one updated to the latest firmware), and use the Data Transfer Utility feature to transfer the modded patch from the jailbroken PS3 to the updated one.
2. They may have also just jailbroken their one and only PS3, inserted the modded patch while it was jailbroken, then updated in order to host online.
You can check out the E3 Flasher downgrade chip at their official site.
You must login or register to view this content.