The 2.90 firmware offers solid support for European vehicles, specifically:

Below is a guide on how to safely download and set up the software for your device. Official vs. Unofficial Software Official Alientech K-Suite:

Kess is primarily for OBD2 protocols, while K-Tag is for "on the bench" (BDM/JTAG) tuning. While they often use the same K-Suite interface, they are separate hardware tools. Does it require tokens?

manager. However, version 2.90 specifically is frequently sought by the aftermarket tuning community for its compatibility with legacy devices. Alientech UK Official Sources

These specific version numbers are frequently associated with "clone" hardware found on forums like or community sites like