PSP Infinity 2.0 Install Guide! (6.61 - 6.60) (WORKING ON EVERY PSP) - 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
PSP 3000/goを含む全てのモデルに対応した、再起動後も改造状態が維持される「6.61 Infinity」リリース [導入方法] | Kotyan Life
PlayStation Guide
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UMD drive doesn't work after updating to 6.61 Infinity PRO CFW : r/PSP
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Davee's Infinity CFW - Permanent 6.61 CFW on All 3000 & Go Models! | GBAtemp.net - The Independent Video Game Community