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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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Blue PSP slim 8gb updated with latest 6.61 Pro-c firmware, Video Gaming, Video Game Consoles, Others on Carousell
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PSP Go screen wont turn on after using PRO-C2 Update (green light, buttons and sound still work) : r/psphacks
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How to Permanently Mod EVERY PSP in 2021 - Install/Update INFINITY 2.0 & 6.61 PRO-C2 Custom Firmware
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