How to Permanently Mod EVERY PSP in 2023 - Install/Update INFINITY 2.0 & 6.61 PRO-C2 Custom Firmware - YouTube
PlayStation Guide
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PSP: 6.61 Infinity - Davee's 'Permanent Patch' for System Software 6.61 - Wololo.net
How To Downgrade PSP 6.61 To 6.60! (Chronoswitch Downgrader) 2017! - YouTube
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