it was a proof of concept... i ben told my whole psp life that its IMPOSIBLE to install custom firmware with a 32mb mem stick cause " the saftware is to much and blah blah blah"
just felt like prooving people wrong..
2 psps
1 with 5.50 gen D2
1 with 5.00 m33-6 (also O button is gba button, and umd drive is gone.)