22.3.1 clones often sacrifice bidirectional K-line support to cut costs. Fix: For older VAG cars (pre-2005), keep an older 18.9.0 clone. 22.3.1 is best for UDS/Canbus (Mk6, Mk7, Audi B8+).

VCDS, Ross-Tech, Hex-V2, Clone Repair, VAG-COM, Firmware, Automotive Diagnostics

Windows will not recognize the DFU mode natively.