PSP - Custom Firmware 5.00 M33-6 Released | Exophase Forums
Unofficial 5.00 M33-7 : un petit correctif pour le 5.00 M33-6 - GAMERGEN.COM
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