Finally, a downgrader for Asian PSP's! The previous 2.0 --> 1.5 downgrader by MPH only downgraded US/EU PSPs, so this is pretty big news for the Asian homebrewing community.
WARNING! This could possibly brick your PSP, so procede with caution! We are not responsible for what happens!
"Yoshihiro and SXT are proud to bring you
The first downgrader compatible with the psp-1006 and psp-1007 hardware !
(the previous versions didn't work with asian psp-1006 and 1007 psp as the 1.50 eboot didn't want to run)
If you are willing to test it, go to our forums and give us your feedbacks !
Release Note: This is still a BETA version as it remains untested as we speak.
It might brick your psp so be extremely careful!"
Download
here. Source