https://wccftech.com/iphone-xr-gets-an-updated-version-of-ios-12-1-heres-what-is-changed/

Today, Apple has seen fit to release an updated version of iOS 12.1 oriented towards the iPhone XR. the update arrives a week after Apple launched iOS 12.1 for the general public and a little over a week since the iPhone XR was made available. Let’s dive in to see some more details on what the new build has in store for users with an iPhone XR.

The new iOS 12.1 firmware update carries a build number of 16B194, which is slightly different from the original 16B93 build number. At this point, a lot of you might be wondering why did the company release an updated version of iOS 12.1 for the iPhone XR. As of now, it’s unknown why the company released it, but it most probably contains bug fixes.