Homebrew on PSP Slim via 3.60 M33 Custom Firmware | Engadget
Here's my PSPs, top i bought back in 2008 modded and still on 5.00m33-6 but it's missing the kratos battery cover the other my brother got it for me for xmas this
PSP 1000 for sale - CFW 3.71 M33-4, Video Gaming, Video Game Consoles, Others on Carousell
純正 SONY PSP-1000CG カスタムソフトウェア3.51 M33導入済み 家庭用ゲーム本体