I tried installing 6.61 PRO C2 and infinity v2.0.3 on my psp 3001 (following the instructions on the CFW guide of this subreddit) but it just shows corrupted data when I disconnect,
Sony PSP-3004 3003 slim&light red / rot / CFW 6.61 64GB in Schleswig-Holstein - Klein Wesenberg | DS(i) & PSP gebraucht kaufen | eBay Kleinanzeigen
Advice on PSP 3004 pricing🤔 : r/PSP
Modded Sony PSP 3000. 6.61 CFW Mod. 128gb. Charger and Battery - Etsy
PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net