Orange Lounge Radio

I need to know how to down grade my PSP firmware from 2.5 all the way back down to 2.0 and if thats possible are there any emulators for the 2.0 firm ware?

Unfortunately upgrading to 2.5 closes the hole that allowed the downgrader to work. So it looks like you're stuck for now.

Looks like Sony won and changed the location where the software looks for the firmware so the current patch won't be any good requiring a 2.5+ upgrade either. That really sucks.