fastloader puts the umd into the memory stick. and also there's a dumper from mph's website.

but yeah, sf3 doesnt work on 1.5 from the iso, but apparently you can get it to run if you do this ..

1. Put runumd's folders in the PSP\Game folder
2. Put GTA's UMD in your drive
3. Run runumd
4. Press O
5. Press X when the decryption is done.
6. Restart after GTA is done loading.
7. Put SFA3 US in your UMD drive
8. Run runumd
9. Press O
10. Press X when the decryption is done.

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