For some models, the serial number (SN) is on the device itself, but the activation code is almost always kept in the physical documentation for security. How to Activate Your ThinkDiag
To activate your device and start your free software period, follow these official steps: Thinkdiag Activation Code Free
: Input your device’s serial number and the 8-digit activation code. Click to bind the device to your account. Connect to Vehicle For some models, the serial number (SN) is
Using unofficial software can sometimes "brick" or lock the firmware of your Thinkdiag dongle, making it permanently unusable. For some models
The Thinkdiag system operates on a "freemium" model. When you purchase the hardware, you usually get: