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How to Downgrade PSP 1000, 2000 and 3000
Downgrading PSP 3000! - Instructables
Upgrade – or downgrade – your PSP
![How To] Downgrade Firmware on PSP Fat/Slim From 6.60 to 6.XX In Less Than 7 Minutes - YouTube](https://i.ytimg.com/vi/Ib2KxMtx7gY/maxresdefault.jpg "How To] Downgrade Firmware on PSP Fat/Slim From 6.60 to 6.XX In Less Than 7 Minutes - YouTube")
How To] Downgrade Firmware on PSP Fat/Slim From 6.60 to 6.XX In Less Than 7 Minutes - YouTube
How To Downgrade PSP 6.61 To 6.60! (Chronoswitch Downgrader) 2017! - YouTube
Downgrading PSP 3000! - Instructables
How to Downgrade any official PSP firmware to 5.00m33 « PSP :: WonderHowTo
4 Ways to Downgrade a PSP - wikiHow
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PSP: 6.61 Downgrader updated - Now supports PSP E1000 & firmware 6.60! - Wololo.net
DOWNGRADE ALL PSP MODELS FROM 6.60 6.38 6.39 6.35 6.20 TO 5.03 6.20 6.35 6.39 *NO PANDORA* - YouTube
PSP FW 6.61 Downgrader - Hackinformer Forum
How to Downgrade PSP Firmware - Nerd Bacon Reviews
