Custom Firmware Developer Rancid-O has released a 4.70 SPOOF for PS3ITA 4.50 DEX, 4.50 DEX COBRA, 4.55 DEX CFW. Simply Download "cfw setup v4.9.9" and follow the installation instructions provided in the quote below from the developer and you will be spoofed to the latest firmware, but be warned there is a risk of a PSN ban and a bit of an unknown of what...