3.80 FW Downgrade?

I just got a new Psp 1000 and i think its the original mother board but it has sony fw 3.80 installed, i searched for a downgrader but had no luck, is there a way to get me down to 1.50??
Thanx

why on earth would you want to downgrade to 1.50? :S ... anyways, you could upgrade to 3.90 then use chickhen and Hellcat's recovery flasher....

ok thanx, i got the right files..lol i think, but i just need sum help and sum questions explained about it and stuff, is there a tutorial sumwhere?

why use 1.5? why not 5.50 GEN D-2

Ill probly end up doing that but i want to try sum programs out that work with certain firmwares, and i just want to be at 1.50 so i can go to any CFW i want....i just need a tutorial for that recovery flasher that ~THE SZK~ mentioned, do you know of any?

You should use a pandora, easiest way...

(as for the recovery flasher)
viewtopic.php?f=33&t=16738 ... This was for 5.00 m33, I'm pretty sure, (but cannot confirm it,) that the version of the recovery flasher had a 1.50 option... if not then tough luck....