[coldGin]

Hi, all this is my first Tutorial in this forum it can be done on ofw 6.30/6.31 and 6.35 for those who want cfws in 6.20 like pro b5x permanent ,6.20 TN E etc
i wanna help some people which they want to downgrade their psp,s i had tested it in only on PSP 3000 (3g and 4g ) and PSP go (5g)
make sure you have PLEASE MAKE SURE YOU HAVE MORE THAN 80% BATTERY REMAINING
FOR THOSE WHO HAVE PSP 3000 3G THEY CAN GO LOW AS 4.21 (MOBO TA090V2)
FOR THOSE WHO HAVE PSP 3000 4G THEY CAN GO LOW HAS 5.70 (MOBO TA093)

FOR THOSE WHO HAVE PSP GO 5G THEY CAN GO LOW AS 6.20

1. PSP 200X with TA88-V3 ;

1. 
   Can Downgrading to
   OFW 4.20 Impossible
   Cannot be Downgraded to OFW 4.21 Possible
   Can be Downgraded to OFW 5.00 Possible.
   Can be Downgraded to OFW 5.01 Possible.
   Can be Downgraded to OFW 5.02 Possible.
   Can be Downgraded to OFW 5.03 Possible.
   Can be Downgraded to OFW 5.51 Possible.
   Can be Downgraded to OFW 6.00 Possible.
   Can be Downgraded to OFW 6.10 Possible.

1. PSP 300X with 03G Module:

1. 
   Cannot be Downgraded to OFW 4.20 Impossible
   Cannot be Downgraded to OFW 4.21 Impossible
   Can be Downgraded to OFW 5.00 Possible.
   Can be Downgraded to OFW 5.01 Possible.
   Can be Downgraded to OFW 5.02 Possible.
   Can be Downgraded to OFW 5.03 Possible.
   Can be Downgraded to OFW 5.51 Possible.
   Can be Downgraded to OFW 6.00 Possible.
   Can be Downgraded to OFW 6.10 Possible.

1. PSP 300X 03G ;

1. 
   Cannot be Downgraded to OFW 4.20 Impossible
   Cannot be Downgraded to OFW 4.21 Impossible
   Can be Downgraded to OFW 5.00 Possible.
   Can be Downgraded to OFW 5.01 Possible.
   Can be Downgraded to OFW 5.02 Possible.
   Can be Downgraded to OFW 5.03 Possible.
   Can be Downgraded to OFW 5.51 Possible.
   Can be Downgraded to OFW 6.00 Possible.
   to OFW 6.10 Possible.

1. PSP 300X with 04G Module:

1. 
   Cannot be Downgraded to OFW 4.20 Impossible
   Cannot be Downgraded to OFW 4.21 Impossble to OFW 5.00 Impossible.
   Cannot be Downgraded to OFW 5.01 Impossible.
   Cannot be Downgraded to OFW 5.02 Impossible.
   Cannot be Downgraded to OFW 5.03 Impossible.
   Cannot be Downgraded to OFW 5.51 Impossible.
   Can be Downgraded to OFW 6.00 Possible.
   Can be Downgraded to OFW 6.10 Possible.

1. PSP GO 05 ;

1. 
   Cannot be Downgraded to OFW 4.20 Impossible
   Cannot be Downgraded to OFW 4.21 Impossible
   Cannot be Downgraded to OFW 5.00 Impossible
   Cannot be Downgraded to OFW 5.01 Impossible.
   Cannot be Downgraded to OFW 5.02 Impossible.
   Cannot be Downgraded to OFW 5.03 Impossible.
   Cannot be Downgraded to OFW 5.51 Impossible.
   Cannot be Downgraded to OFW 6.00 Impossible.

1-A PSP 3000 (3g and 4g ONLY ) 2000/1000 or PSP go (5g)
2-Make sure you have a 3g or 4g PSP 3004 by using pspident http://http://www.psp-hacks.com/file/1725
3-download Daves downgrader _(SIGNED)_
http://www.megaupload.com/?d=ZYNNX15H
4-Unzip it
5-put it in PSP >GAME folder dont RUN IT UNTIL I SAYS
6-then download a fresh copy of any ofw as listed in up i am trying it with ofw 6.20 http://http://www.psp-hacks.com/file/1855FOR PSP GO USERS PLEASE USE THIS LINK FOR OFW 6.20 OR IT WILL BRICK USING FIRST LINK FOR 6.20 WHICH IS FOR PSP 1000/2000/3000
http://http://www.psp-hacks.com/file/2010
7-Unzip it then put it in PSP>GAME>CREATE NEW FOLDER CALLED UPDATE PUT IT THEIR
8-Run the Dave Downgrader follow the onscreen instructions
WARNING:I AM NOT RESPONSIBLE OF ANY BRICK CAUSED BY USING THIS TUTORIAL TO AVOID ANY POSSIBLE BRICK PLEASE READ CARE FULLY AND CO IT CORRECTLY[/SIZE]
I DID NOT TESTED THIS ON PSP 1000 and 2000 because i dont have any AFTER INSTALLING YOU WILL GET A BLUE SCREEN SAYING THAT SYSTEM FILES ARE CORRUPTED O TO CANCEL PRESS O THEN TURN IT OFF THEN TURN IT OWN IT WILL BE IN 6.20 THIS UIS BECAUSE THE NAND THE FLASH MEMORY WHICH STORES THE OFW IS FORMATTED AND OVERWRITES WITH NEW ONE (CORRECT ME IF I AM WRONG )
IT WILL ALSO WORK WITH THEM
I hope every one enjoy this guide
thanks for reading
__________________
PSP 3004 TA - 090 v2 {3g} cfw 6.35 PRO B3
3004 {4g} gt5 edition ofw 5.70

Credits to 101GamZer