Yes, you can change the trial informational data after you have created the trial during a sensor activation. Please follow the steps below to do so: 

1. Use your credentials to log into the IoTUI. 
2. Click on the "Settings" button in the upper right corner of the page.
3. In the menu on the left, please click on "Trial Information".
4. Use the search bar to look up your trial.
5. Once you selected the trial, you can change a variety of data of the trial.