Hack, Install Custom Firmware on Sony PSP-E1004 Street
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
PlayStation Guide
How To Update Any PSP To Official 6.61 In 2018! - YouTube
Updating The PSP System Software to 6.60 / 6.61 - pspunk
Updating The PSP System Software to 6.60 / 6.61 - pspunk
Custom Firmware Wizard | ReviveToday
PSP - Infinity 2.0 - 6.60 / 6.61 Support + All PSPs models supported + important Bug Fixes | PSX-Place
How to install custom firmware on PSP (model-E1004, firmware-6.60)[HD] - YouTube
Got this baby. System version is 6.39. Never been hacked. What should I do to hack it? 6.60 or 6.61? Confirmation button is O. Can I switch it to X with Infinity
Connect PSP Street to Computer to Play Games in Full Screen
How to install custom firmware on PSP (model-E1004, firmware-6.60)[HD] - YouTube