Got this baby. System version is 6.39. Never been hacked. What should I do to hack it? 6.60 or 6.61? Confirmation button is O. Can I switch it to X with Infinity
POC: PSP 3000 CFW 6.61 Infinity
How to Mod Any PSP on Firmware 6.61 or Lower! - Infinity 2.0 Permanent CFW - The GamePad Gamer
Downloaded CFW 6.61 PRO-C2 got this message : r/PSP
Tutorial: Installing Infinity - 6.61 Permanent Patch for LME & PRO CFW - YouTube
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net