iOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPhone X (GSM), released on 2017-11-16T21:20:12Z. The update package is 239.8 MB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: cabd7ae8989e82c37cc401fc9f14e02b47d1e447.zip.