How to downgrade VXDIAG VCX Nano GM to an old version

VXDIAG VCX NANO GM Old Firmware Download:

VXDIAG VCX Nano GM firmware download:

VXDIAG VCX Nano GM firmware v1.2.1.0 download: (2016.01.05)!5X4iFBpY!0qLBztbmP4jUbjtFIXrTLoSmeyiZJY3fVRamsYZPa1s

VXDIAG VCX Nano GM firmware download: (2015.11)!xOhRBIDJ!7gXvFwWs_kBXnqSGufWxJsdtz0pw_YloSP6CX9IhvX4

Newest: VXDIAG VCX Nano GM firmware 1.4.20 download: (01.2018)

VXDIAG VCX NANO GM software download:

GDS2 Multi-language download on Mega:!hYMjBRgA!ZnG81pMNOW3vytngW-NstKim8joDahzKP7VsYEzCwFw
TECH2WIN English download on Mega:!tIFWUIxT!XBAFZWEFPhQ3A9MtyPYfT1wojVgB1sEmt2T62nrmQcM

Note: both tested 100%, works good with VXDIAG VCX NANO GM diagnostic tools

How to downgrade the VXDIAG GM firmware to an old version:

Take Firmware is dated 2015.11

1. Make a backup of your ManagerCenterC.ini file (where your prog is installed).
2. Change one line in your original ini file to
3. Open VX Manager and “update” your firmware.

After positive update, make your backuped ini file as valid and try regular update.