PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net
Sony PSP CFW 6.61 on PSP-1000 and PSP-3000 - YouTube
Infinity 2.0 released for the PSP, allows for persistent CFW on all models of PSPs on 6.60 and 6.61 | Page 2 | GBAtemp.net - The Independent Video Game Community
POC: PSP 3000 CFW 6.61 Infinity
PERMANENTLY Trick (CFW) YOUR PSP 6.61! 2018 Tutorial - YouTube
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Modded Sony PSP 1000. 6.61 CFW Mod. 128gb. Charger and Battery - Etsy
How to Mod Your PSP on Firmware 6.61 or Lower! - Infinity Permanent CFW - YouTube