Custom Firmware 5.50 GEN-D. Custom Firmware 5.50 GEN-D coming soon. PSPGen have commented that all the bugs present in the cursed 5.50 GEN-C release have been fixed. And it can play firmware 5.55, 6.00 and 6.10 games work without any eboot patching with Game Encrypter needed http://pspslimhacks.com/custom-firmware-5-50-gen-d-coming-tomorrow/