The ePSXe emulator does not come bundled with a BIOS because the code is copyrighted by Sony. While ePSXe includes an "HLE BIOS" (High-Level Emulation) to run some games without an external file, using a real BIOS is strongly recommended for better stability and to see the classic PS1 startup animation.
To use , particularly the Android version where this specific build is a stable release, you need a PlayStation 1 BIOS file. The BIOS (Basic Input/Output System) acts as the bridge between the emulator and the game, ensuring authentic console behavior and high compatibility. Understanding ePSXe 2.0.15 BIOS Requirements download bios epsxe 2.0.15