Discussion in 'Sony PSP - Mod and firmware discussion' started by jasonc23, Sep 13, 2007.
How do you do it.
Download this RECOVERY file.
Extract the file which will extract a RECOVERY folder. Now drag the RECOVERY folder to the ms0:/PSP/GAME directory.
After you place the RECOVERY folder into the /PSP/GAME folder on the PSP MS go into recovery mode.
Hold R shoulder button down while turning on PSP.
Now go down to RUN PROGRAM AT /PSP/GAME/RECOVERY/EBOOT.PBP and follow the on screen instructions.
It will downgrade you back to 1.50
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