Last night, Apple made available to the general public iOS 10.3.1 for all iPhone, iPad and iPod Touch compatible with iOS 10. It happens that the first beta of iOS 10.3.2 is already available for developers for a few days, and has the build number 14E304. It weighs around 30 MB on iPhone 7.
In its changelog, the Cupertino company simply states that iOS 10.3.1 “solves problems and improves the security of your iPhone, iPad and iPod touch”. To learn more, you have to look at the side of the security note Apple on its support. We learn that this minor update fixes a flaw related to Wi-Fi, allowing a hacker to execute arbitrary code on the Wi-Fi chip.
To update your iDevice to iOS 10.3.1, simply go to Settings> General> Software update and follow the instructions on the screen.