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Developer some1 has released PSP Downgrader v4.
Sources:
Greg and dimy93
Changelog:
Added Support for 6.60
Fixed 6.60 problem that didn’t allow to downgrade to anything greater than 6.20, thanks to Davee
Allows any updater that is greater than or equal to the factory installed OFW (Has not been fully tested, will most likely work on 5.00 and up)
Special Sauce added by Proxima
How to install :
How to install it : Place the “6.xx Downgrader V4″ from the downgrader’s archive folder in PSP/GAME.
Add the update of the OFW to want ( EBOOT.PBP ) to PSP/GAME/UPDATE ( with capitals ).
How to use :
Run it from Game – Memory Stick and follow the instructions on the screen to downgrade ( you need 75% battery or you will be kicked off the program ).
Probably around 85-90 % you will get an error -don’t worry it’s normal.
When boot after the install you ‘ll see a blue screen asking you to hit O. Do it.
If instead of blue screen got blank on fresh boot press the following :
SELECT+START+Square + Triangle.
List of motherboards and the OFW they support :
1g -Any
2g with flashable motherboard -Above 3.60 ( You can not distinguish this from the next without a cfw so I’ll advise you to not flash 2g below 4.01 )
2g with unflashable motheboard -Above 4.01
3g -Above 4.20
4g -Above 5.70
7g/9g -Above 6.30
How to find your motherboard type : Download PSP Module checker 1. 0 and place the folder “PSPModuleChecker1.0″ rared in it in PSP/GAME then run it on your PSP from Game – Memory stick. See what’s written.
Download Some1's 6.XX Downgrader V4
Sources:
Greg and dimy93
This downgrader, originally developed by Davee for 6.31 and 6.35, which some1 ported to later firmwares — 6.38, 6.39, and 6.60 — now lets you downgrade your PSP not only to 6.20, but any official firmware (OFW) you so desire.
Although with that, comes this: You can only downgrade to a firmware greater than or equal to the factory installed OFW when your PSP was purchased; this downgrade has not been fully tested with all the different PSP models and OFWs; I wouldn’t try anything silly, like jumping way back to firmware 1.50; we are not responsible if you damage or brick your PSP.
Although with that, comes this: You can only downgrade to a firmware greater than or equal to the factory installed OFW when your PSP was purchased; this downgrade has not been fully tested with all the different PSP models and OFWs; I wouldn’t try anything silly, like jumping way back to firmware 1.50; we are not responsible if you damage or brick your PSP.
Added Support for 6.60
Fixed 6.60 problem that didn’t allow to downgrade to anything greater than 6.20, thanks to Davee
Allows any updater that is greater than or equal to the factory installed OFW (Has not been fully tested, will most likely work on 5.00 and up)
Special Sauce added by Proxima
How to install :
How to install it : Place the “6.xx Downgrader V4″ from the downgrader’s archive folder in PSP/GAME.
Add the update of the OFW to want ( EBOOT.PBP ) to PSP/GAME/UPDATE ( with capitals ).
How to use :
Run it from Game – Memory Stick and follow the instructions on the screen to downgrade ( you need 75% battery or you will be kicked off the program ).
Probably around 85-90 % you will get an error -don’t worry it’s normal.
When boot after the install you ‘ll see a blue screen asking you to hit O. Do it.
If instead of blue screen got blank on fresh boot press the following :
SELECT+START+Square + Triangle.
List of motherboards and the OFW they support :
1g -Any
2g with flashable motherboard -Above 3.60 ( You can not distinguish this from the next without a cfw so I’ll advise you to not flash 2g below 4.01 )
2g with unflashable motheboard -Above 4.01
3g -Above 4.20
4g -Above 5.70
7g/9g -Above 6.30
How to find your motherboard type : Download PSP Module checker 1. 0 and place the folder “PSPModuleChecker1.0″ rared in it in PSP/GAME then run it on your PSP from Game – Memory stick. See what’s written.
Download Some1's 6.XX Downgrader V4
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