The VIN limit is stored in a secure EEPROM sector that is not touched during standard firmware updates. Your unlimited status and existing VINs remain intact.
Many users confuse the VCDS software (the program running on your Windows PC) with the firmware (the low-level software embedded on the HEX-V2’s microprocessor). ross tech hex v2 firmware update
Open the VCDS desktop software. Ensure no background programs are consuming heavy USB bus bandwidth. The VIN limit is stored in a secure
Install the latest stable compilation of VCDS directly via the Ross-Tech Software Download Portal . Open the VCDS desktop software
If VCDS does not prompt you automatically, or if you want to reflash the same version to fix corruption:
You cannot update the firmware using an outdated VCDS installer. You must be running the latest release or beta version.
Updating the firmware on your Ross Tech Hex V2 is a relatively straightforward process that requires a few simple steps: