With the old version, a modern Kingston DataTraveler might show: Unknown Controller.
With ChipGenius v421 fixed, you will see: Phison PS2251-09 (PS2309) – F/W 08.03.5D [TLC] – actionable data to find the correct repair tool.

For users attempting data recovery or firmware repair, the v4.21 feature set provides more granular data:

Even the fixed version can hiccup. Here’s how to solve it.

Since there is no single official "global" website for ChipGenius (it is a Chinese tool), "Fixed" usually refers to versions modified by community members.

If you are looking for a solution: If you have a USB drive you are trying to identify:

Are you looking for the download link, or are you trying to interpret the output data for a specific USB drive?

Problem: A user bought a "1TB" USB drive from an online marketplace. It corrupted files above 32GB.

Old ChipGenius (v4.20):

Device Name: USB Mass Storage Device
Chip Vendor: (unknown)
Chip Part-Number: (no info)

ChipGenius v421 fixed:

VID: 13FE – PID: 5200
Chip Vendor: SiliconGo
Chip Part-Number: SM3257ENAA – [256M x 8] TLC
Real Capacity: 8,192 MB (8 GB)

Using the chip model SM3257ENAA, the user downloaded the correct SiliconGo MP tool, reformatted the drive back to 8GB, and stopped data loss. The "fixed" version literally saved their data.

Rating: 7.5/10 (Essential but outdated-looking)

ChipGenius isn't a pretty program, but it is one of the most powerful tools for recovering or diagnosing USB drives. The v4.21 "Fixed" edition is a specific fork that addresses the main problem of the official version: a severely outdated device database.