Downgrade from 4.55 to 3.55 back to 4.50 Rogero & install Ccapi & Spoof 4.55 on 4.50 :
LINK http://www.youtube.com/watch?v=CB1vYmrb46U
http://www.youtube.com/watch?v=Svu_57xxsIU
How to Transfer Games from PC Directly to PS3 via Ethernet Cable
What you need : Blackb0x FTP and FlashFXP 5