When you run this command (with appropriate privileges), the terminal clears and displays a live table. Expect to see:
This is invaluable when users complain about:
| Tool | Target Chipset | Interface | Erase before write | Bad block skip | |---------------------|----------------------|-------------|--------------------|----------------| | USBUtil v300.20 | STi710x, Ali M3602 | USB | Manual | No | | STM32CubeProg | STM32 MCUs | USB/DFU | Automatic | Yes | | Broadband Studio | Broadcom 7xxx | JTAG/USB | Configurable | Yes | | FlashTool (generic) | Amlogic, Rockchip | USB | Automatic | No | usbutil v300 20 top
USBUtil limitation – Does not implement bad block management. For NAND flash, users must manually skip known bad blocks using hex analysis.
If you cannot obtain a clean copy of the "20 Top" edition, consider these alternatives: When you run this command (with appropriate privileges),
USBUtil exposes a linear address space starting from the physical base address of the flash (typically 0x00000000 for NOR, or 0x80000000 for NAND-mapped memory). Logical block addressing (LBA) is not used; instead, the user supplies absolute byte addresses.
write boot1.bin boot1 0
Writes to boot partition 1 (partition 0). Use write system.img user 0 for user area. This is invaluable when users complain about: |
This is the primary function of USBUtil.
The software will now copy the game. If the game is larger than 4GB, you will see it create multiple files (e.g., ul.GAMEID.00, ul.GAMEID.01) inside a folder named after the game on your drive.
Many low-cost STBs lack a JTAG interface, making brick recovery dependent on proprietary vendor protocols. USBUtil v300.20 acts as a host-side client for the Ali-M3602/STi710x USB boot protocol — a minimalist protocol that allows raw read/write to the target’s flash memory before the main firmware loads. Understanding this tool is critical for forensic recovery, custom firmware development, and hardware security analysis.
usbutil v300 20 top [OPTIONS]