Apple has released iOS 15.1.1 update for iPhone 12 and iPhone 13 owners

Apple developers, unexpectedly, have released a new update for some iPhone models.

What is known

The system was released with the number iOS 15.1.1 and is designed for owners of iPhone 12, iPhone 12 mini, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 13, iPhone 13 mini, iPhone 13 Pro and iPhone 13 Pro Max. The system has already started rolling out to devices worldwide. 

As for the list of changes, it contains a fixed bug that caused some users to get dropped calls. Once the update is installed, the bug will go away.

You can check if OTA is available by going to Settings - Basic - Software update.

Source: MacRumors