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/psp---sony-playstation-portable-console-534194895-5ba7b4ee4cedfd0025962aa2.jpg "PSP FAQ - How Do I Update My PSP Firmware?")
PSP FAQ - How Do I Update My PSP Firmware?
PSP System Software Update Disc Ver. 3.11 (Japan) : Free Download, Borrow, and Streaming : Internet Archive
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PlayStation Portable homebrew - Wikipedia
PlayStation Portable - Wikipedia
PSP update: 6.61, firmware, PlayStation
System Update
PlayStation Portable system software - Simple English Wikipedia, the free encyclopedia
4 Ways to Upgrade Your PSP Firmware - wikiHow
