Since you are doing this for PS2 gaming:
Download and install , Winlator , or Mobox from trusted open-source repositories. Winlator is highly recommended for modern Android devices due to its user-friendly interface and robust storage routing. 2. Download USBUtil v2.0 / v2.2 usbutil ps2 android
Furthermore, USBUtil generates a specific database file, ul.cfg , which acts as an index. The PS2 homebrew software reads ul.cfg to locate the fragmented game parts on the drive. Since you are doing this for PS2 gaming:
Let me break down what this likely means and what’s possible. Download USBUtil v2
The USBUTIL split process changed the file extension or corrupted the header. Fix: Do not use USBUTIL for emulator files. USBUTIL is for real PS2 hardware + OPL . For AetherSX2, use raw ISOs or CHD files. Never feed a .ISO.00 file to an Android emulator.
Before diving into the steps, it is essential to understand why a tool like USBUtil is necessary. The FAT32 Storage Constraint