iOS 12.1 (build 16B93) is an official Apple over-the-air update for the iPhone XR, released on 2018-10-30T17:18:59Z. The update package is 447.41 MB. This is a delta (partial) update that requires 12.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: af4a135a46a5ce6351758c9861fa7f1c5cddfea9.zip.