If a newer version results in a "firmware update failed" error, reverting to 1.6.4 can often bypass these blocks and restore hardware functionality.
While tech enthusiasts often seek the latest version, "better" in this context frequently refers to stability and legacy support:
Update and refresh device authorizations for different vehicle brands. Why Download VX Manager 1.6.4 Specifically?
Install specific OEM protocol drivers for brands like GM, Ford, and Toyota.
Identify connected devices like VCX Nano or VCX SE.