The "Free" aspect of this release is the headline. Commercial versions of Xdecoder require an online server check for tokens. Version 10.3, as distributed on MHH AUTO, includes a or a patched .exe that bypasses the "Token Expired" error. This allows offline functionality indefinitely.
Xdecoder 10.3 is an automotive software tool used for editing ECU ROM files to remove Diagnostic Trouble Codes (DTCs), EGR, DPF, and Lambda sensors. The tool, often discussed on forums and available on sites like AliExpress Xdecoder 10.3 Free - MHH AUTO - Page 1
The software requires a full "read" of the ECU (often via tools like Kess, Ktag, or PCMTuner) in a .bin format. The "Free" aspect of this release is the headline