What? No way.
Originally Posted by zeus
Update it to a firmware version that has got a HEN supporting it (E.g. 5.03, 6.20 or 6.35).
Then install 5.50 GEN-D3 final on it after launching the HEN on one of those firmwares.
5.50 GEN-D3 final is a real CFW that's stored in the PSP's NAND chip, so you can switch off the PSP and not loose the ability to launch homebrew software.
SCPH-10000 S. MINOKAMO v1.01 (Defunct)
SCPH-10000 S. KISARAZU v1.00 (faulty)
SCPH-15000 S. KOHDA (With warranty seal!) :D
DESR-5100 S. EMCS