There are 2.6 downgrader instructions listed in the left column of the page.I can't fully help you with this as I have only done 2.0 psp's.One thing,make sure you do not have a ta-082 motherboard!!!!otherwise you will turn your psp into a brick!
also do not ask anybody here to give you the firmware dumps.
To identify a ta-082 open your umd drive and look at the little peices of green motherboard
up at the top,if you see any numbers you have one
Jmannummkay may be able to help you on the specifics of the 2.6 downgrade I beleive his email is listed in his signature on the bottom of his posts,look at some threads until you find one,otherwise just look in the left column of the main psp page for "easy downgrader" 2.5/2.6 instructions should be there
If you post one more time you can private message,just don't make it spam
Bookmarks