Tipper Cyanide reports that the newest PSP firmware downgrader is out, and will work on firmwares 2.71 and lower. And apparently it's easier than ever:
If you've found it difficult to use the downgrader, with all the messing around with dumps, or if you've been left out because you couldn't find a dump, Dark_AleX has just made all of it a piece of cake. Now no messing around with dumps, checking to see if it's the correct one. The latest downgrader by Dark_AleX allows you to downgrade your 2.71 PSP to any version upto 1.5.
Head on over to QJ.net for the downloaded and report back when you've used it. I want all the gory details.
Dark_AleX's Generic Downgrader- Now Downgrade to any PSP firmware from 2.71! [QJ.net]
Follow Downgrader on Kotaku 
