VAS6154 (VXDiag VCX Nano) OK, need downgrade
You can downgrade firmware for free with an older version vx manager (i.e from version 1.8x to 1.6). But after downgrade all licenses disappeared and you cannot work with device.
Some experts provide license installation for firmware 1.6x (downgrade vxdiag vcx nano also known as vas6154 clone to version 1.6) and software for license restore at any time (install license for work with PIWIS3 reworked for 6154 clone). You can use 6154 with any PIWIS3 installation, installing original drivers from VXmanager and can restore licenses at any time.
Before setting up. Check clone VAS 6154 firmware can be updated or not. Some clone VAS6154 firmware canot be updated.
VCX.bin firmware file for vas6154 clone if someone needed
How to downgrade the VXDIAG firmware to an old version:
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.
NOTE: We are not holding the responsibility for the damage.
VXDIAG VCX SE 6154 with PIWIS3, need luck.
Some managed to do it. But not for free.
If need a vcx se with Porsche license, check