PSP 6.61 Custom firmware Pro C 2 Infinity 2.0 - YouTube
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Page 8 | Digiex
How to install a permanent CFW on any PSP without hardmod. | GBAtemp.net - The Independent Video Game Community
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PSP GO 16GB Jailbreak Permanent CFW 6.61 Pro-C FREE POS WHOLE MALAYSIA WITH INSURANCE POSTAGE, Video Gaming, Video Game Consoles, PlayStation on Carousell
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,