Apple released this evening, the latest version of the iOS operating system for iPhone, iPad and mobile devices iPod touch.
iOS 10.3.3 was in Beta for several months before being available to the general public, and as usual Apple does not reveal too many details about the security issues identified and resolved. It is only evasively said that improvements have been made to the security of the iOS system.
Therefore, for ordinary users, there are no visible changes. The graphic interface and default applications remain unchanged. However, the update from iOS 10.3.2 to iOS 10.3.3 is quite consistent. It can be between 50 and 150 MB.
Important changes in the interface and applications developed by Apple we will have it from the fall, with the release of the future iOS 11.
Until then, it is recommended to update your mobile devices to iOS 10.3.3.
Settings > General> Software Update
The installation process of the update can take between 10 and 20 minutes.