The for 2025 may be the last free version. Developers predict that by 2026, clones will be fully blocked unless you downgrade to VCDS 22.x (which lacks support for 2025 model cars).

For decades, the automotive diagnostic world has been dominated by two types of people: those who pay thousands for official dealer-level software, and those who find clever workarounds. If you own a Volkswagen Audi Group (VAG) vehicle (VW, Audi, Seat, Skoda, Bentley, or Lamborghini), you have likely heard of VCDS (Vag-Com Diagnostic System) by Ross-Tech.

For the keyword "updated," Kolimer is the only loader actively patching the 2024/2025 Ross-Tech protections. VIIPlus is good but costs $30/year, while Kolimer is free. Future of VCDS Loaders: Will Kolimer survive? Ross-Tech has recently moved to a "Cloud Verification" system for their HEX-NET interfaces. For USB cables, they are implementing elliptic-curve cryptography (ECC) in version 25.x.