PSP: 6.61 Custom Firmware! 6.61 ME & 6.61 LME CFW! - YouTube
PSP: 6.61 Downgrader updated - Now supports PSP E1000 & firmware 6.60! - Wololo.net
Updating The PSP System Software to 6.60 / 6.61 - pspunk
PSP 6.61 Infinity PRO Custom Firmware Tutorial! (Permanent CFW) 2018! - YouTube
4 Ways to Upgrade Your PSP Firmware - wikiHow
4 Ways to Upgrade Your PSP Firmware - wikiHow
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Got my PSP GO Today :) it has custom firmware 6.61 : r/PSP
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PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net
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Sony releases first PSP patch since 2011
How To Update Any PSP To Official 6.61 In 2018! - YouTube
Special Edition. Modded Sony Final Fantasy PSP 3000. 6.61 CFW - Etsy
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How To Update Any PSP To Official 6.61 In 2018! - YouTube
