iOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPhone X (Global), released on 2018-10-30T17:15:49Z. The update package is 1.59 GB. This is a delta (partial) update that requires 11.2.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b2a5c950e73faa8d1af4c2f085511af8570d2c62.zip.