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the UMD cant but the iso can
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Posted: 2005-10-26 18:45:31
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Nah. The umd and iso CANNOT be played on 1.5, Only on 2.0+.
So Orig UMD is needed.

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[ This Message was edited by: anay on 2005-10-26 19:10 ]
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Posted: 2005-10-26 20:09:18
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unless the videos are extracted. that is whats trying to be done currently as the videos in the game require v2.0 to play, so once extracted it will work on v1.5, but then there wont be videos.
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Posted: 2005-10-26 20:15:35
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i would sacrifise homebrew for gta anyday
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Posted: 2005-10-26 20:16:55
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yeah considerin it takes a few minutes to downgrade again!
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Posted: 2005-10-26 20:19:04
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it requires 2.01 i hear
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Posted: 2005-10-26 20:33:30
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Quote:
On 2005-10-26 20:15:35, coxy wrote:
unless the videos are extracted. that is whats trying to be done currently as the videos in the game require v2.0 to play, so once extracted it will work on v1.5, but then there wont be videos.



Someone tried that, they said they managed to get gta to fit on a 512, but it still didn't work.
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Posted: 2005-10-26 20:38:06
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as of now Gta requires 2.00 psp and the UMD ( for obvious reasons)

the encoding the media is AAC....................only 2.00+ can do
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Posted: 2005-10-27 21:50:32
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It appears that it has nothing to do with the audio/video codec (some people have ripped the audio/video placed them into other games and have got them to work) it apparently is down to the prx files

They need checksums to be decyphered that are only found in the 2.00 firmware

So the latest thinking is that the only way to get it done is to have a loader (at present none of the loaders support the running of 2.00 firmware within them) that can load the 2.00 firmware dump and then use the firmware to decypher the codes in the prx which then should allow the game to start through the loader

This is of course all speculation and i could be completly wrong

EDIT ; There is a new game which also will only work using the 2.00 firmware The Hustle: Streets of L.A so it looks as though this may become the norm

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[ This Message was edited by: welsh uk on 2005-10-27 21:31 ]
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Posted: 2005-10-27 22:24:04
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yer the prx files

aka plugins or w/e
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Posted: 2005-11-03 08:15:20
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