iOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2017-11-16T21:22:35Z. The update package is 292 MB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c202e52d833003df376f9efa84c824e7c0d859d1.zip.