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Monday 13.10.2025 / 13:12
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afterdawn.com > forums > consoles > sony psp - mod and firmware discussion > psp downgrading
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Psp downgrading
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dave1348
Junior Member
_ 		16. June 2006 @ 01:45 _ Link to this message    Send private message to this user   
ive got the 1.5 eboot in update folder in games on psp memory stik
when i turn on psp and go in games and clik memory stick it says corrupted data. Why is this and how do i get it to downgrade
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damo666
Senior Member
_ 		16. June 2006 @ 02:27 _ Link to this message    Send private message to this user   
What firmware is your psp currently running?
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dave1348
Junior Member
_ 		16. June 2006 @ 02:28 _ Link to this message    Send private message to this user   
version 2 it says please do u know how to help?????
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damo666
Senior Member
_ 		16. June 2006 @ 02:35 _ Link to this message    Send private message to this user   
Yeah sure mate, I followed this guide when I did mine....

http://www.afterdawn.com/guides/archive/downgrade_psp_2.cfm

You don't just use the 1.5 update cos the psp will say there is no need to update as you already have a higher firmware. The overflow.tif file mentioned in the above guide somehow tricks the psp into thinking it's v1.0 therefore letting you update to v1.50.

Any questions just ask
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dave1348
Junior Member
_ 		16. June 2006 @ 02:36 _ Link to this message    Send private message to this user   
k thanx heaps ill write bak if i need more help lol
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damo666
Senior Member
_ 		16. June 2006 @ 02:37 _ Link to this message    Send private message to this user   
That's ok mate
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dave1348
Junior Member
_ 		16. June 2006 @ 02:51 _ Link to this message    Send private message to this user   
i did it all when i go in photos there is no photos when i put it in the psp/photos folder i put overflow so ?????
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damo666
Senior Member
_ 		16. June 2006 @ 02:55 _ Link to this message    Send private message to this user   
The folder should be named PHOTO (has to be in upper case)
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dave1348
Junior Member
_ 		16. June 2006 @ 03:00 _ Link to this message    Send private message to this user   
k mine was in lower case does games folder need to be in capitals
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damo666
Senior Member
_ 		16. June 2006 @ 03:02 _ Link to this message    Send private message to this user   
Yes it does, I have all my folders in caps just to be on the safe side.
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dave1348
Junior Member
_ 		16. June 2006 @ 03:07 _ Link to this message    Send private message to this user   
k i did it the jumbled letters came up and wen i go in game memory stik it says corrupted data still WHY IS THIS???
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damo666
Senior Member
_ 		16. June 2006 @ 03:12 _ Link to this message    Send private message to this user   
Is the 1.50 update in the PSP\GAME\UPDATE folder?
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dave1348
Junior Member
_ 		16. June 2006 @ 03:13 _ Link to this message    Send private message to this user   
yer wait i tink its gonna work hold on
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dave1348
Junior Member
_ 		16. June 2006 @ 03:16 _ Link to this message    Send private message to this user   
yer it still says corrupted data !!!!!!!!!!!!!!!!!!!!!!!!
damn
can u help do u know why???
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damo666
Senior Member
_ 		16. June 2006 @ 03:19 _ Link to this message    Send private message to this user   
Can you not see the update in the game folder?
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dave1348
Junior Member
_ 		16. June 2006 @ 03:19 _ Link to this message    Send private message to this user   
i did it it didnt have update in capitals its ok
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damo666
Senior Member
_ 		16. June 2006 @ 03:21 _ Link to this message    Send private message to this user   
Yeah as I said it's best to have all folders in caps.

Congrats, enjoy the world of 1.5!!!!!
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dave1348
Junior Member
_ 		16. June 2006 @ 03:25 _ Link to this message    Send private message to this user   
so wat typoe games can u play i know u cna play ISO
can u play rar????
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dave1348
Junior Member
_ 		16. June 2006 @ 03:28 _ Link to this message    Send private message to this user   
so wat type of games can u play i know u can play ISO files can u play rar

were do u put games to play them do u go to PSP/GAME/
and just in there not in update
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damo666
Senior Member
_ 		16. June 2006 @ 03:32 _ Link to this message    Send private message to this user   
If you have rar files you'll need to rebuild the ISO, there's loads of topics on here to help you with games and loader compatibility.

You will need to create a folder named ISO in the root of your memory stick (i.e. E:\ISO). All your ISO's should be saved in this folder.
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This message has been edited since posting. Last time this message was edited on 16. June 2006 @ 03:35
dave1348
Junior Member
_ 		16. June 2006 @ 03:52 _ Link to this message    Send private message to this user   
ok how do u convert rar to ISO
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damo666
Senior Member
_ 		16. June 2006 @ 03:55 _ Link to this message    Send private message to this user   
Open the first file with WinRAR then click up a folder, you'll see all of the files in the WinRAR window, now select all of the files (you'll probably have some .txt files, don't bother selecting these), click extract and choose the location you want the completed ISO saved. In a couple of minutes your ISO will be ready.

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dave1348
Junior Member
_ 		16. June 2006 @ 04:02 _ Link to this message    Send private message to this user   
I put a iso game into a folder just in f:/ISO
and i turn on psp and look in memory stik under game and there only the upgrade 1.5 so wheres da game??
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damo666
Senior Member
_ 		16. June 2006 @ 04:57 _ Link to this message    Send private message to this user   
You need to have a loader set up on your psp. If you tell me what ISO you want to put on I will tell you which loader you need.
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SouIjah
Member
_ 		16. June 2006 @ 07:22 _ Link to this message    Send private message to this user   
damo your gonna be here all day m8......check the start of the forums dave there is plenty of tutorials for all of this if u cant find what your lookin for try Google...helped me a bunch :P
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