I don't have the option to use media server on PS3 the media server setting is invisible here for me what I do to get it back I'm on version 4.84 dex :
Scena PS3] Rilasciato Custom Firmware PASTA 4.84 DEX v2.0 con patch Cobra 8.1 – BiteYourConsole
How To Install Rebug 4.84.2 And Convert CEX To DEX (2019) - YouTube