iOS 12.1 (build 16B5068i) is an official Apple over-the-air update for the iPhone XR, released on 2018-10-02T17:12:01Z. The update package is 351.92 MB. This is a delta (partial) update that requires 12.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8d430811f8962ae99b319bbb189e9e6de33ef667.zip.