link RE Rev 2

Link Game Episode 4:
http://zeus.dl.playstation.net/cdn/UP0102/NPUB31518_00/UP0102-NPUB31518_00-BHR2EPISODE40000_bg_1_69ab0d70ac38ee838e6b441e16be82f6d0ca225c.pkg

Extra episode 1 the struggle
http://zeus.dl.playstation.net/cdn/UP0102/NPUB31518_00/UP0102-NPUB31518_00-BHR2EXEPISODE100_bg_1_73e574adbfe90bc46119d60fc294456bd10f6100.pkg

Extra episode 2 the little miss
http://zeus.dl.playstation.net/cdn/UP0102/NPUB31518_00/UP0102-NPUB31518_00-BHR2EXEPISODE200_bg_1_0ff3b19c3e7c0c9cf49da05208670aecb4e5e567.pkg

fix 4.21+
http://www.multiup.org/en/download/a9a1e5a8b47fa285b3b85da56c52f0e0/ps3gameroomFIX_4.21_.rar

Episode 2-4+extra fix
http://www.multiup.org/en/download/d0329c47fabfe095a719bcd675867680/ps3gameroom.EPISODES_2-4___EXTRA_1-2_FIX.rar

Pass: ps3gameroom.com

Install notes

Install full game unlock
Install game.
Install fix for your cfw.
Install episodes 2-4 and episodes fix.
Install compatibility pack, DLC and DLC fix.

Sumber: http://www.ps3gameroom.com/ps3/showthread.php?21932-Resident-Evil-Revelations-2-Episode-4-(Metamorphosis)