How to downgrade to 1.5

[laughtub]

How to downgrade from 3.03 to 1.5
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!! I am not responsible for anything that happens to your psp. !!
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Things needed

Grand Theft Auto Liberty City Stories Unpatched 2.0

It should look like this


303 update
303 down-grader
150 update
Click here to download files
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Notes: be sure you have 75% battery charge while doing the updates and be sure
that it is plugged in to
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!!BACKUP YOUR PSP BEFORE DOING THIS!! (meaning your games and saves)
TO MAKE IT EASYIER WE DID THIS BUT YOU DON"T HAVE TO RMOVE YOUR FILES JUST READ
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Update to 303

1. Update to 303 by copying the eboot.pbp file in the 303 update folder to your
UPDATE folder in GAME on the psp.

2. Update your psp.

3. Check that your psp is running on 303 by going to system information on you psp.

Now you should be running on 303

Now remove that file you just added

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303 HEN

1. Copy the psp folder in 303 HEN to the root of your psp and replace the
other one (this makes it easier), or insted of replacing your files just put the files or folders (it depends) in the folders they are in in the folder 303 HEN to your PSP.

2. Run Grand Theft Auto it should then turn on and go through the loading screens
and logos then it should start up and flash black then blue then restart your psp.

3. Check your system version it should be 303 HEN.

You should now be running on 303 HEN

Do not remove the files yet!

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Downgrade to 150

1. Now put the UPDATE.PBP file that is in 150 update into your update folder on your psp.

2. Run the update it should ask you if you would like to patch your motherboard
you can tell if you have some numbers at the top right and top left of you UMD
reader inside you psp you can check by opening your UMD reader.


Now you should be running 150.

Now you can install any firmware and remove the files.
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This manual was made possible Laughtub and Marioguy

[Chameleon]

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!!BACKUP YOUR PSP BEFORE DOING THIS!!
!!YOUR STUFF WILL BE REPLACED SO BE SURE THAT YOU BACK IT UP
SO YOU CAN PUT IT BACK!!
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This doesnt make sense buddy, you cant backup anything if you dont have access to flash

And for another matter you didnt link to the mediafire download page you linked it to the mediafire homepage

[laughtub]

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!!BACKUP YOUR PSP BEFORE DOING THIS!!
!!YOUR STUFF WILL BE REPLACED SO BE SURE THAT YOU BACK IT UP
SO YOU CAN PUT IT BACK!!
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This doesnt make sense buddy, you cant backup anything if you dont have access to flash

And for another matter you didnt link to the mediafire download page you linked it to the mediafire homepage

I mean your games and saves

[Chameleon]

those dont get erased either

[laughtub]

fine just in case then

[kh2-sora]

i tried this yesterday, and everytime i tried to send the UPDATE.PBP to the UPDATE folder it would stop saying that it could not send over and stuff since it doesn't know what the file is.

[laughtub]

so you are saying the file won't go into your psp

[laughtub]

You Have To Have Grand Theft Auto and you need to do the steps before that or you might brick your psp