PSP 3.50 downgrader / downgrading guide for 3.50 and below

What did i tell you - now its out : ) . Please take a video of and send it to me at igizmore@rediffmail.com (will give credit) .OK straight to business , :Note: you can also downgrade any psp using the pandora battery , see the tutorial HERERequirements:1) A legal UMD copy of Lumines (part 1) , either US (ULUS10002) or EU (ULES00043) .If u don't have lumines see HERE2) You need Winrar to open

Custom firmware / Semi brick recovery to 1.5 downgrade

This is only for custom firmware , if u don't have custom firmware or simply wanna unbrick any psp see HERERecovery mode is one of the most useful features of custom firmware - as it makes your psp almost indispensable. Just assume that your flashed or did something with your psp and you screwed up and your psp doesn’t show anything when you turn it on - its bricked , in the official firmware (

3.40 oe - A users guide

3.40 OE-A is old update to 3.52 M33 from hereITS BEST TO USE YOUR 1.5 Kernel for running stuff see HOW TO RUN HOMEBREWS BELOW :NOTE : I recommend having 1.5 recovery on custom firmware in case something goes wrong download it from hereHow to play iso's , cso's :1) Connect your PSP to your PC via USB .2) In the root (the root has psp , mp_root folder and stuff) of the memory stick create a folder

3.40 oe custom firmware installation

3.40 OE-A is old update to 3.52 M33 from hereI guarantee you this is the easiest and safest 3.40 oe-A installation guide on the net . 3.40 oe –A is a custom firmware by dark alex that is basically like a 1.5 psp with 3.40 compatibility . You can run psp iso’s , cso’s (upto 3.40 compatibility) , psx games , homebrews , and even devhook etc. This installation requires flashing so use at your own