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[PSP] How to Update a locked 5.50 GEN D2 CFW PSP To 6.60 Pro-C Custom Firmware | Easy Method 2022 - YouTube
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Downgrading 3004 from 6.61 PRO-C2∞ to 6.60, error LPTFFFFFFFE, still boots into 6.60, UMD not working · Issue #2 · DaveeFTW/Chronoswitch · GitHub
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How do I update my PSP version 5.50 with Custom Firmware to 6.60 or 6.61 ? im really bad at stuff like this so i need help : r/PSP
Infinity 2.0 released for the PSP, allows for persistent CFW on all models of PSPs on 6.60 and 6.61 | GBAtemp.net - The Independent Video Game Community
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How do I uninstall 5.50 GEN-D3 from this silver PSP-1001? I am giving these as Christmas presents and want them all on 6.60 PRO-C2. : r/PSP
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PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Page 8 | Digiex
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