Ps2+bios+scph70012bin — ((exclusive))
Furthermore, the mobile emulator (for Android) specifically recommends using a BIOS from a 70000 series console for optimal performance on ARM chipsets. The 70012 has become the community-standard recommendation.
: The SCPH-70012 is a North American (NTSC-U) model. Using this BIOS will usually set your emulator to the North American region by default. ps2+bios+scph70012bin