How do I know what Sony PSP firmware version I have? - Ask Dave Taylor
PSP software update incoming, plus Xperia Media Go update | VG247
PSP System Software Update Disc Ver. 3.11 (Japan) : Free Download, Borrow, and Streaming : Internet Archive
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PSP firmware 3.72 available, doesn't do much ... for now – Destructoid
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PSP Release: Despertar Del Cementerio 9.01 (PSP unbricker) - Wololo.net
Risen from the dead: PSP Firmware 6.61 is now available! - Wololo.net
PSP update: 6.61, firmware, PlayStation
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PSP System Software Update Version 6.00 Released
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PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex
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PSP system software version 6.39 coming soon! | GBAtemp.net - The Independent Video Game Community
How do I know what Sony PSP firmware version I have? - Ask Dave Taylor
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PSP update: 6.61, firmware, PlayStation
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