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Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
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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
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Updating The PSP System Software to 6.60 / 6.61 - pspunk
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
Psp Custom Firmware 6.61 Download – UnBrick.ID
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex
Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available
PlayStation Portable (PSP) 6.61 firmware download
Easy guide to install 6.61 LME 2.3 custom firmware : r/PSP
