How to Your Custom Firmware MOD Your PSP : 12 Steps - Instructables
PS Vita Mail-in Custom Firmware Mod Service PS Vita 1000 2000 and TV - Etsy
OFW psp & CFW psp blogs - Firmware 6.39 ME-5 was develop and release by PSP Developer Neur0n who has decided to release his latest PSP Custom Firmware 6.39 ME-5 for users
PSPHACKS 1.03] Downgrading Your Custom Firmware From 6.61 to 6.60 Using Chronoswitch 7.0 - YouTube
4 Ways to Upgrade Your PSP Firmware - wikiHow
Custom PSP firmware 3.90 M33 out, Skypey
How Many PSPs Have Custom Firmware And Access The PlayStation Store? At Least 15,000 - Siliconera
How to Download PSP Games and Transfer them to Your PSP
PSP Custom Firmware 3.60 M33 Released For PSP Slim - Exophase.com