Before you install Total Noob’s HEN, you need to downgrade your 6.3x PSP to firmware 6.20.This is easy to do: Before installing TN’s Hen, you need to downgrade your 6.3x psp to 6.20. Important Note: Some recent PSP Motherboards (7g and 9g) cannot be downgraded with this tool.Much props :)***END IMPORTANT NOTE***So that is about it.Any questions, feel free to ask, I always check my messages and comments.Update: Part two, for firmware 3.51 and higher is now . Due to this (and probably some other reasons as well), Sony has been trying to repress homebrew as much as possible.Or better download the complete up-to-date PSP Downgrading/Upgrading Guide now in PDF. Where these applications could initially be run on the 1.50 firmware PSPs, users who updated wouldn’t be so fortunate.
NOTE: When you download pspslimhacks's 6.20 Firmware, RENAME IT AS "UPDATER" or "UPDATE" i hadn't done that and i got an error the first time, if some1 comments about that, im ignoring. You need to copy the 6.20 update to PSP/GAME/UPDATE/EBOOT.
USE AT YOUR OWN RISK***This video will guide you through the process of downgrading your PSP with official software 6.60 to any other official firmware.
This is useful for installing custom firmware of a certain version.
If this happens to you, then your only solution is to 🙂Congrats, you should now be on OFW 6.20, i have psp go 9c is it okay? TO AVOID BRICK I AM NOT RESPONSIBLE IF U BRICK CAUSE YOU CAN' T READ THE DESCRIPTION.
Download link to the downgrader: (This should take you form 6.39 to 6.31 or 6.35)One your 6.35/6.31 use this downgrader to get to 6.20!
That is an updated version of the Downgrader, and should work PERFECTLY.