PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex
How to Install Temporary Custom Firmware (CFW) on your PSP - 16 Bit Guide - YouTube
4 Ways to Upgrade Your PSP Firmware - wikiHow
Just bought this for £35 all three included batteries wouldn't charge. Got one of Amazon and now it charges. What custom firmware should I install? : r/PSP
Hack, Install Custom Firmware on Sony PSP-E1004 Street
How to install custom themes to a PSP CFW 6.60 PRO-C2 - YouTube
How to MOD PSP GO - EASY Tutorial 2020 - Custom Firmware to Run Homebrew - CFW 6.60 PRO C - YouTube
How to Install Custom Firmware (CFW) on PSP 1000 and PSP 2000