[Bex]

Originally Posted by Gurly

I have a 2.71 firmware on my PSP. I learned not to upgrade but I dont know if I can downgrade yet. Im happy as it is though for now.

Yup there is a 2.71 downgrader now. The highest firmware that can be downgraded, is 3.03
If you do want to downgrade, you should check this thread out to find the downgrader you need. Also has a link for how to install custom firmware after. The thread is - [Only registered users can see links. ]