Can someone help me update my psp 1001 from 2.80 to 6.61 : r/PSP
Why do so many people prefer 6.60>6.61? : r/PSP
PSPgo May Not Have Every PSP Game - Game Informer
PSP 2001 won't play any PS1 classic games from the PSN store with the CFW 6.61 LME-2.3. Changed the ISO to M33 to no avail. Am I missing something here? : r/PSP
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Update to 6.61 Infinity? : r/PSP
How To Update Any PSP To Official 6.61 In 2018! - YouTube
Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available