0okm's 2.80 to 2.71 Downgrader Now Public
After a flood of emails from anxious PSP owners, 0okm has decided to make his 2.80 to 2.71 downgrader available.
Remember, using this can permanently damage your PSP and render it unusable. You use this application at your own risk. If you accept this risk, the download link is below. Instructions and links to necessary applications are available on the download page.
Download Firmware 2.80 to 2.71 downgrader for TA-079 - TA-086 PSPs