solves this by formatting a drive with a special cluster size (usually 32KB or 64KB) and a partition layout that PS2 emulators on Android can read sequentially without micro-stutters. It tricks the emulator into treating the USB drive like a native PS2 hard drive.
, you can usually run the full ISO directly from your phone's internal storage (which uses ExFAT or ext4 and has no 4GB limit). USBUtil is primarily for those moving files from Android to a physical PS2 Why Use USBUtil in 2026? Usbutil V2.00 Ps2 For Android