PlayStation Portable (PSP) Firmware | FileForum
Picked up a PSP-1000 on firmware 1.0. Any reason to NOT be on 6.61? : r/PSP
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Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available
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Wireless PSP Custom Firmware installation is now possible! - Wololo.net
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex
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Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available
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PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex
PS3 and PSP firmware updates available for download | Tech Ticker
How To Update Any PSP To Official 6.61 In 2018! - YouTube
