Sony PSP-1000 in GREAT shape w/6.60 Pro-C CFW! inc. Games, Emulators, 4GB card. | #1789310737
Install or use custom firmware on any 6.39 PSP [PSP, PSP Slim, PSP 3000, PSP Go] | Digiex
Downgrading 3004 from 6.61 PRO-C2∞ to 6.60, error LPTFFFFFFFE, still boots into 6.60, UMD not working · Issue #2 · DaveeFTW/Chronoswitch · GitHub
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
No option to install Pro-C2 firmware : r/PSP
PlayStation Guide
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
6.20 / 6.35 / 6.39 / 6.60 PRO-B9 LCFW released
Sony PSP-1000 in GREAT shape w/6.60 Pro-C CFW! inc. Games, Emulators, 4GB card. | #1789310737