PSA Interface Checker is a specialized utility tool used primarily for the XS Evolution
Activation: Click the "Activate" button. This initializes communication with the VCI. Check Version/Reference: Click "Version" to see current firmware (e.g., v4.3.2). psa interface checker 440 link
Revision Differences: "Revision C" units are generally preferred for newer vehicles (CAN bus) as they contain full-chip hardware that "Revision B" or "cut-down" clones may lack. PSA Interface Checker is a specialized utility tool
Once the tool displays "OK," the firmware is updated. 18;write_to_target_document7;default0;67d;18;write_to_target_document1a;_OYrsaY_qMbeYseMPlaCT-Qc_20;54; Why Use Version 4.4.0? 0;16; " the firmware is updated. 18