How do I downgrade the PSP BIOS?

[JohnnyBlaze]

I really want to start emulating. Thing is though, I upgraded the PSP the night I bought it, not knowing that it would prevent me from running an emulator. How do I downgrade the BIOS back to 1.50?

[dendawg]

I really want to start emulating. Thing is though, I upgraded the PSP the night I bought it, not knowing that it would prevent me from running an emulator. How do I downgrade the BIOS back to 1.50?

I'm not sure that it's possible to downgrade....probably the best thing to do is either get another PSP or wait until the emu's catch up to your firmware version.

[jonjandran]

I really want to start emulating. Thing is though, I upgraded the PSP the night I bought it, not knowing that it would prevent me from running an emulator. How do I downgrade the BIOS back to 1.50?

It's not possible and will probably never be.

They will hack every upgraded bios but you have to give them time.