Smart Soldering Iron Tip Temperature Not Accurate

Calibrate with the "Temperature correction" Setting

Plug your soldering iron into a computer and head to https://www.ifixit.com/fixhub/console on a compatible browser (most chromium based browsers work).
Ensure that your computer is being allowed to access the soldering iron and select your soldering iron from the dropdown menu that appears in your browser.
Click the gear icon in the bottom right corner of the web interface. It should be labeled “Settings”.
Use the “Temperature correction” slider to adjust the temperature offset. It’s recommended to calibrate the iron while set to 350°F.

If your iron can’t be calibrated correctly through the web interface, please contact support for additional assistance.