Follow these simple instructions below to fix an unresponsive thermal imaging app on the Doogee S98 Pro rugged smartphone.
DESCRIPTION OF BODY TEMPERATURE MODE:
In the human body temperature measurement mode, when the temperature is less than 36 °C, it displays low. When the temperature exceeds 40 °C, it displays high, as shown in the figure.
I did all steps you said, and the app crashes began again with the thermometer. Maybe we need an app upgrade.
The last update has solved all.