If your activation tool disappeared, check your antivirus quarantine history. Restore the file and add the Delphi folder to your antivirus exclusion list. Important Security and Legal Notice
Once the activated file is loaded back into the Delphi software, it unlocks the car and truck diagnostic databases. Step-by-Step Delphi 2015R3 Activation Process
Connect the Delphi DS150E hardware to your PC via (do not use Bluetooth for firmware updates).
Connect the hardware to a to ensure it receives 12V power.