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PSP - Infinity 2.0 - 6.60 / 6.61 Support + All PSPs models supported + important Bug Fixes | PSX-Place
PSP: Custom Firmwares for Firmware 6.61 possible - Currently being updated! - Wololo.net
How do I uninstall 5.50 GEN-D3 from this silver PSP-1001? I am giving these as Christmas presents and want them all on 6.60 PRO-C2. : r/PSP
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Why do so many people prefer 6.60>6.61? : r/PSP
Infinity 2.0 released for the PSP, allows for persistent CFW on all models of PSPs on 6.60 and 6.61 | GBAtemp.net - The Independent Video Game Community
Custom Firmware Wizard - Revive Today
Update PSP 3K OFW 5.03 TO OFW 6.60 by Agus Susilo
This popular 2021 anime features an actual PSP CFW Installer from ages ago - Wololo.net