A: For emulation purposes, no. The core boot logic is identical. The PSP 1000 BIOS is generally the most compatible because it lacks the "Tachyon" security chip anomalies of later models.
Whether you choose to stay with the lightning-fast internal emulation or dive into the complexities of flash0 files, one thing is certain: PPSSPP remains the definitive way to enjoy PSP games forever. ppsspp bios
A: No. The BIOS is hardware-specific. Only a PSP BIOS works with PPSSPP. A: For emulation purposes, no