Oh look, 6.31 Hen now also has a signed installer allowing you to install 6.31 Hen without running the Minna no Sukkuri demo exploit as instructed in the original post. With Liquidzigong’s release

PSP owners with 6.31 OFW can now have cfw installed courtesy of the 6.31 Hen, 6.31 hbl by wololo and the Prometheus ISO loader.  Note that if you’re on 6.20 OFW, follow this guide

Thanks to the efforts of Wololo and Liquidzigong, PSP-3000, PSP-2000 with TA-v88v3 motherboard or PSP Go owners can now have custom firmware (well it’s pseudo-cfw.. it’s actually HBL + ISO loader but let’s call