[cryptoz]

Even the Galaxy S4 phone was a beast of a weather station: onboard barometer, thermometer and humidity sensor! All can be bias corrected and useful.

[teleforce]

I used to own S4 phone and it's one of the best smartphone ever. Actually even as the owner never knew that it has thermometer and humidity sensors built-in ten years ago that even most of the USD1K+ phones nowadays do not have these very useful sensors [1].

[1] What You May Not Know About GALAXY S4 Innovative Technology:

https://news.samsung.com/global/what-you-may-not-know-about-...