How to install custom firmware on PSP - Easy 2021 (version 6.60) - YouTube
Hi guys i have 2 psp PSP 2004 and PSP 3004 i cant update the Blue one to latest firmware 6.61 and i cant find available latest firmware for the 2004 : r/PSP
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PSP FAQ - How Do I Update My PSP Firmware?
4 Ways to Upgrade Your PSP Firmware - wikiHow
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PSP update: 6.61, firmware, PlayStation
4 Ways to Upgrade Your PSP Firmware - wikiHow
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How to Update Your PSP Firmware
4 Ways to Upgrade Your PSP Firmware - wikiHow
4 Ways to Upgrade Your PSP Firmware - wikiHow
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Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available